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12871204 = 225954539
BaseRepresentation
bin110001000110…
…011000100100
3220012220222021
4301012120210
511243334304
61135512524
7214255243
oct61063044
926186867
1012871204
1172a1365
124388744
1328886c8
1419d095a
1511e3a54
hexc46624

12871204 has 12 divisors (see below), whose sum is σ = 22906800. Its totient is φ = 6326408.

The previous prime is 12871181. The next prime is 12871207. The reversal of 12871204 is 40217821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12871207) 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, 27034 + ... + 27505.

It is an arithmetic number, because the mean of its divisors is an integer number (1908900).

Almost surely, 212871204 is an apocalyptic number.

It is an amenable number.

12871204 is a deficient number, since it is larger than the sum of its proper divisors (10035596).

12871204 is a wasteful number, since it uses less digits than its factorization.

12871204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54602 (or 54600 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12871204 is about 3587.6460249027. The cubic root of 12871204 is about 234.3543709014.

The spelling of 12871204 in words is "twelve million, eight hundred seventy-one thousand, two hundred four".

Divisors: 1 2 4 59 118 236 54539 109078 218156 3217801 6435602 12871204