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12068904 = 2331573203
BaseRepresentation
bin101110000010…
…100000101000
3211201011102110
4232002200220
511042201104
61110402320
7204404211
oct56024050
924634373
1012068904
1168a3601
1240603a0
132667483
141862408
1510d5e89
hexb82828

12068904 has 32 divisors (see below), whose sum is σ = 30373920. Its totient is φ = 3996096.

The previous prime is 12068891. The next prime is 12068921. The reversal of 12068904 is 40986021.

It is a super-2 number, since 2×120689042 = 291316887522432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167 + ... + 5369.

It is an arithmetic number, because the mean of its divisors is an integer number (949185).

Almost surely, 212068904 is an apocalyptic number.

It is an amenable number.

12068904 is an abundant number, since it is smaller than the sum of its proper divisors (18305016).

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

12068904 is a wasteful number, since it uses less digits than its factorization.

12068904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12068904 is about 3474.0328150436. The cubic root of 12068904 is about 229.3802090797.

The spelling of 12068904 in words is "twelve million, sixty-eight thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 157 314 471 628 942 1256 1884 3203 3768 6406 9609 12812 19218 25624 38436 76872 502871 1005742 1508613 2011484 3017226 4022968 6034452 12068904