13265397 has 16 divisors (see below), whose sum is σ = 19948480. Its totient is φ = 8710416.

The previous prime is 13265381. The next prime is 13265419. The reversal of 13265397 is 79356231.

13265397 is a `hidden beast` number, since 1 + 3 + 265 + 397 = 666.

It is not a de Polignac number, because 13265397 - 2⁴ = 13265381 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 (13265597) 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, 1858 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (1246780).

Almost surely, 2^13265397 is an apocalyptic number.

It is an amenable number.

13265397 is a deficient number, since it is larger than the sum of its proper divisors (6683083).

13265397 is an equidigital number, since it uses as much as digits as its factorization.

13265397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409 (or 7403 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 13265397 is about 3642.1692711899. The cubic root of 13265397 is about 236.7227971958.

The spelling of 13265397 in words is "thirteen million, two hundred sixty-five thousand, three hundred ninety-seven".