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13260724 = 2210730983
BaseRepresentation
bin110010100101…
…011110110100
3220221201021221
4302211132310
511343320344
61152120124
7220500001
oct62453664
926851257
1013260724
117537a84
124536044
132993aa9
141a928a8
15126e184
hexca57b4

13260724 has 12 divisors (see below), whose sum is σ = 23423904. Its totient is φ = 6568184.

The previous prime is 13260713. The next prime is 13260749. The reversal of 13260724 is 42706231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15064 + ... + 15919.

It is an arithmetic number, because the mean of its divisors is an integer number (1951992).

Almost surely, 213260724 is an apocalyptic number.

It is an amenable number.

13260724 is a deficient number, since it is larger than the sum of its proper divisors (10163180).

13260724 is a wasteful number, since it uses less digits than its factorization.

13260724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31094 (or 31092 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 13260724 is about 3641.5277013913. The cubic root of 13260724 is about 236.6949971596.

Adding to 13260724 its reverse (42706231), we get a palindrome (55966955).

The spelling of 13260724 in words is "thirteen million, two hundred sixty thousand, seven hundred twenty-four".

Divisors: 1 2 4 107 214 428 30983 61966 123932 3315181 6630362 13260724