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12887152 = 241914217
BaseRepresentation
bin110001001010…
…010001110000
3220020201211221
4301022101300
511244342102
61140114424
7214352605
oct61122160
926221757
1012887152
117302343
124395a14
132892a45
1419d66ac
1511e8637
hexc4a470

12887152 has 20 divisors (see below), whose sum is σ = 25105536. Its totient is φ = 6408320.

The previous prime is 12887131. The next prime is 12887167. The reversal of 12887152 is 25178821.

It is a super-2 number, since 2×128871522 = 332157373342208, which contains 22 as substring.

It is a congruent number.

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, 948 + ... + 5164.

Almost surely, 212887152 is an apocalyptic number.

It is an amenable number.

12887152 is a deficient number, since it is larger than the sum of its proper divisors (12218384).

12887152 is a wasteful number, since it uses less digits than its factorization.

12887152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416 (or 4410 counting only the distinct ones).

The product of its digits is 8960, while the sum is 34.

The square root of 12887152 is about 3589.8679641458. The cubic root of 12887152 is about 234.4511228170.

The spelling of 12887152 in words is "twelve million, eight hundred eighty-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 191 382 764 1528 3056 4217 8434 16868 33736 67472 805447 1610894 3221788 6443576 12887152