13659057 has 16 divisors (see below), whose sum is σ = 20295360. Its totient is φ = 9079200.

The previous prime is 13659053. The next prime is 13659067. The reversal of 13659057 is 75095631.

It is a happy number.

13659057 is a `hidden beast` number, since 13 + 6 + 590 + 57 = 666.

13659057 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13659057 - 2² = 13659053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13659053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13582 + ... + 14552.

It is an arithmetic number, because the mean of its divisors is an integer number (1268460).

Almost surely, 2^13659057 is an apocalyptic number.

It is an amenable number.

13659057 is a deficient number, since it is larger than the sum of its proper divisors (6636303).

13659057 is an equidigital number, since it uses as much as digits as its factorization.

13659057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 13659057 is about 3695.8161480247. The cubic root of 13659057 is about 239.0416470085.

The spelling of 13659057 in words is "thirteen million, six hundred fifty-nine thousand, fifty-seven".