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13376725 = 52647827
BaseRepresentation
bin110011000001…
…110011010101
3221011121102021
4303001303111
511411023400
61154413141
7221462125
oct63016325
927147367
1013376725
11760714a
1245911b1
132a0482b
141ac2c85
15129371a
hexcc1cd5

13376725 has 12 divisors (see below), whose sum is σ = 16632864. Its totient is φ = 10671920.

The previous prime is 13376719. The next prime is 13376729. The reversal of 13376725 is 52767331.

13376725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-13376725 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13376729) 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, 15762 + ... + 16588.

It is an arithmetic number, because the mean of its divisors is an integer number (1386072).

Almost surely, 213376725 is an apocalyptic number.

It is an amenable number.

13376725 is a deficient number, since it is larger than the sum of its proper divisors (3256139).

13376725 is an equidigital number, since it uses as much as digits as its factorization.

13376725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1479 counting only the distinct ones).

The product of its digits is 26460, while the sum is 34.

The square root of 13376725 is about 3657.4205391232. The cubic root of 13376725 is about 237.3831743068.

The spelling of 13376725 in words is "thirteen million, three hundred seventy-six thousand, seven hundred twenty-five".

Divisors: 1 5 25 647 827 3235 4135 16175 20675 535069 2675345 13376725