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12887304 = 233536971
BaseRepresentation
bin110001001010…
…010100001000
3220020202001120
4301022110020
511244343204
61140115240
7214353213
oct61122410
926222046
1012887304
117302471
124395b20
132892b31
1419d677a
1511e86d9
hexc4a508

12887304 has 16 divisors (see below), whose sum is σ = 32218320. Its totient is φ = 4295760.

The previous prime is 12887299. The next prime is 12887341. The reversal of 12887304 is 40378821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268462 + ... + 268509.

It is an arithmetic number, because the mean of its divisors is an integer number (2013645).

Almost surely, 212887304 is an apocalyptic number.

It is an amenable number.

12887304 is an abundant number, since it is smaller than the sum of its proper divisors (19331016).

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

12887304 is a wasteful number, since it uses less digits than its factorization.

12887304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536980 (or 536976 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 12887304 is about 3589.8891347784. The cubic root of 12887304 is about 234.4520445731.

The spelling of 12887304 in words is "twelve million, eight hundred eighty-seven thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 24 536971 1073942 1610913 2147884 3221826 4295768 6443652 12887304