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13120888 = 2311149101
BaseRepresentation
bin110010000011…
…010101111000
3220200121110211
4302003111320
511324332023
61145120504
7216345214
oct62032570
926617424
1013120888
117451a10
124489134
132945251
141a57944
151242a0d
hexc83578

13120888 has 16 divisors (see below), whose sum is σ = 26838360. Its totient is φ = 5964000.

The previous prime is 13120883. The next prime is 13120897. The reversal of 13120888 is 88802131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74463 + ... + 74638.

Almost surely, 213120888 is an apocalyptic number.

It is an amenable number.

13120888 is an abundant number, since it is smaller than the sum of its proper divisors (13717472).

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

13120888 is a wasteful number, since it uses less digits than its factorization.

13120888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149118 (or 149114 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 13120888 is about 3622.2766321749. The cubic root of 13120888 is about 235.8600625918.

The spelling of 13120888 in words is "thirteen million, one hundred twenty thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 11 22 44 88 149101 298202 596404 1192808 1640111 3280222 6560444 13120888