13040395 has 16 divisors (see below), whose sum is σ = 16169472. Its totient is φ = 10090080.

The previous prime is 13040381. The next prime is 13040449. The reversal of 13040395 is 59304031.

It is not a de Polignac number, because 13040395 - 2⁷ = 13040267 is a prime.

It is a Duffinian number.

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, 27934 + ... + 28396.

It is an arithmetic number, because the mean of its divisors is an integer number (1010592).

Almost surely, 2^13040395 is an apocalyptic number.

13040395 is a deficient number, since it is larger than the sum of its proper divisors (3129077).

13040395 is a wasteful number, since it uses less digits than its factorization.

13040395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13040395 is about 3611.1487092060. The cubic root of 13040395 is about 235.3767609633.

The spelling of 13040395 in words is "thirteen million, forty thousand, three hundred ninety-five".