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13012675 = 521340039
BaseRepresentation
bin110001101000…
…111011000011
3220111010000221
4301220323003
511312401200
61142523511
7215414554
oct61507303
926433027
1013012675
117388685
124436597
132907c10
141a2a32b
15122091a
hexc68ec3

13012675 has 12 divisors (see below), whose sum is σ = 17377360. Its totient is φ = 9609120.

The previous prime is 13012669. The next prime is 13012679. The reversal of 13012675 is 57621031.

13012675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13012675 - 213 = 13004483 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19695 + ... + 20344.

Almost surely, 213012675 is an apocalyptic number.

13012675 is a deficient number, since it is larger than the sum of its proper divisors (4364685).

13012675 is a wasteful number, since it uses less digits than its factorization.

13012675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40062 (or 40057 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 13012675 is about 3607.3085534786. The cubic root of 13012675 is about 235.2098623269.

The spelling of 13012675 in words is "thirteen million, twelve thousand, six hundred seventy-five".

Divisors: 1 5 13 25 65 325 40039 200195 520507 1000975 2602535 13012675