13073665 has 16 divisors (see below), whose sum is σ = 17184960. Its totient is φ = 9469120.

The previous prime is 13073659. The next prime is 13073681. The reversal of 13073665 is 56637031.

13073665 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 13073665 - 2³ = 13073657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25431 + ... + 25939.

It is an arithmetic number, because the mean of its divisors is an integer number (1074060).

Almost surely, 2^13073665 is an apocalyptic number.

It is an amenable number.

13073665 is a deficient number, since it is larger than the sum of its proper divisors (4111295).

13073665 is a wasteful number, since it uses less digits than its factorization.

13073665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 13073665 is about 3615.7523421827. The cubic root of 13073665 is about 235.5767634561.

The spelling of 13073665 in words is "thirteen million, seventy-three thousand, six hundred sixty-five".