13120497 has 24 divisors (see below), whose sum is σ = 20593664. Its totient is φ = 8001504.

The previous prime is 13120489. The next prime is 13120517. The reversal of 13120497 is 79402131.

13120497 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 13120497 - 2³ = 13120489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13120497.

It is not an unprimeable number, because it can be changed into a prime (13120427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14418 + ... + 15300.

Almost surely, 2^13120497 is an apocalyptic number.

It is an amenable number.

13120497 is a deficient number, since it is larger than the sum of its proper divisors (7473167).

13120497 is a wasteful number, since it uses less digits than its factorization.

13120497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 13120497 is about 3622.2226601908. Note that the first 3 decimals coincide. The cubic root of 13120497 is about 235.8577197067.

The spelling of 13120497 in words is "thirteen million, one hundred twenty thousand, four hundred ninety-seven".