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12985004 = 2210331517
BaseRepresentation
bin110001100010…
…001010101100
3220102201002002
4301202022230
511311010004
61142151432
7215241104
oct61421254
926381062
1012985004
11736990a
124422578
1328c8446
141a20204
15121761e
hexc622ac

12985004 has 12 divisors (see below), whose sum is σ = 22945104. Its totient is φ = 6429264.

The previous prime is 12985003. The next prime is 12985013. The reversal of 12985004 is 40058921.

It is a super-2 number, since 2×129850042 = 337220657760032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12985003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15347 + ... + 16170.

It is an arithmetic number, because the mean of its divisors is an integer number (1912092).

Almost surely, 212985004 is an apocalyptic number.

It is an amenable number.

12985004 is a deficient number, since it is larger than the sum of its proper divisors (9960100).

12985004 is a wasteful number, since it uses less digits than its factorization.

12985004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31624 (or 31622 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12985004 is about 3603.4711043659. The cubic root of 12985004 is about 235.0430221520.

The spelling of 12985004 in words is "twelve million, nine hundred eighty-five thousand, four".

Divisors: 1 2 4 103 206 412 31517 63034 126068 3246251 6492502 12985004