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13252560 = 243555219
BaseRepresentation
bin110010100011…
…011111010000
3220221022002120
4302203133100
511343040220
61152014240
7220434126
oct62433720
926838076
1013252560
117531932
124531380
132990169
141a8d916
15126ba40
hexca37d0

13252560 has 40 divisors (see below), whose sum is σ = 41083680. Its totient is φ = 3533952.

The previous prime is 13252559. The next prime is 13252567. The reversal of 13252560 is 6525231.

13252560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13252560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13252567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27370 + ... + 27849.

It is an arithmetic number, because the mean of its divisors is an integer number (1027092).

Almost surely, 213252560 is an apocalyptic number.

13252560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13252560 is an abundant number, since it is smaller than the sum of its proper divisors (27831120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13252560 is a wasteful number, since it uses less digits than its factorization.

13252560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55235 (or 55229 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 13252560 is about 3640.4065707006. The cubic root of 13252560 is about 236.6464132197.

Adding to 13252560 its reverse (6525231), we get a palindrome (19777791).

The spelling of 13252560 in words is "thirteen million, two hundred fifty-two thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 55219 110438 165657 220876 276095 331314 441752 552190 662628 828285 883504 1104380 1325256 1656570 2208760 2650512 3313140 4417520 6626280 13252560