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12313356 = 2231193283
BaseRepresentation
bin101110111110…
…001100001100
3212011120202020
4232332030030
511123011411
61115530140
7206442666
oct56761414
925146666
1012313356
116a50230
124159950
132721813
1418c7536
151133606
hexbbe30c

12313356 has 24 divisors (see below), whose sum is σ = 31343424. Its totient is φ = 3731280.

The previous prime is 12313339. The next prime is 12313361. The reversal of 12313356 is 65331321.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 46510 + ... + 46773.

It is an arithmetic number, because the mean of its divisors is an integer number (1305976).

Almost surely, 212313356 is an apocalyptic number.

It is an amenable number.

12313356 is an abundant number, since it is smaller than the sum of its proper divisors (19030068).

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

12313356 is a wasteful number, since it uses less digits than its factorization.

12313356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93301 (or 93299 counting only the distinct ones).

The product of its digits is 1620, while the sum is 24.

The square root of 12313356 is about 3509.0391847342. The cubic root of 12313356 is about 230.9185447706.

Adding to 12313356 its reverse (65331321), we get a palindrome (77644677).

The spelling of 12313356 in words is "twelve million, three hundred thirteen thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 93283 186566 279849 373132 559698 1026113 1119396 2052226 3078339 4104452 6156678 12313356