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13713725 = 521928871
BaseRepresentation
bin110100010100…
…000100111101
3221210201200202
4310110010331
512002314400
61205533245
7224364464
oct64240475
927721622
1013713725
117817363
124714225
132ac203c
141b6d9db
15130d4d5
hexd1413d

13713725 has 12 divisors (see below), whose sum is σ = 17900640. Its totient is φ = 10393200.

The previous prime is 13713701. The next prime is 13713731. The reversal of 13713725 is 52731731.

It is not a de Polignac number, because 13713725 - 212 = 13709629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13961 + ... + 14910.

It is an arithmetic number, because the mean of its divisors is an integer number (1491720).

Almost surely, 213713725 is an apocalyptic number.

It is an amenable number.

13713725 is a deficient number, since it is larger than the sum of its proper divisors (4186915).

13713725 is a wasteful number, since it uses less digits than its factorization.

13713725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28900 (or 28895 counting only the distinct ones).

The product of its digits is 4410, while the sum is 29.

The square root of 13713725 is about 3703.2046932353. The cubic root of 13713725 is about 239.3601300336.

The spelling of 13713725 in words is "thirteen million, seven hundred thirteen thousand, seven hundred twenty-five".

Divisors: 1 5 19 25 95 475 28871 144355 548549 721775 2742745 13713725