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13012652 = 2212292647
BaseRepresentation
bin110001101000…
…111010101100
3220111010000002
4301220322230
511312401102
61142523432
7215414522
oct61507254
926433002
1013012652
117388664
124436578
132907bc3
141a2a312
151220902
hexc68eac

13012652 has 12 divisors (see below), whose sum is σ = 22799280. Its totient is φ = 6498576.

The previous prime is 13012609. The next prime is 13012669. The reversal of 13012652 is 25621031.

13012652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130126522 = 338658224146208, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 13012652 parts by 5101 straight cuts.

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, 3593 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (1899940).

Almost surely, 213012652 is an apocalyptic number.

It is an amenable number.

13012652 is a deficient number, since it is larger than the sum of its proper divisors (9786628).

13012652 is a wasteful number, since it uses less digits than its factorization.

13012652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13012652 is about 3607.3053655048. The cubic root of 13012652 is about 235.2097237484.

Adding to 13012652 its reverse (25621031), we get a palindrome (38633683).

The spelling of 13012652 in words is "thirteen million, twelve thousand, six hundred fifty-two".

Divisors: 1 2 4 1229 2458 2647 4916 5294 10588 3253163 6506326 13012652