13290811 has 4 divisors (see below), whose sum is σ = 13419952. Its totient is φ = 13161672.

The previous prime is 13290799. The next prime is 13290829. The reversal of 13290811 is 11809231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11809231 = 7 ⋅1687033.

It is a cyclic number.

It is not a de Polignac number, because 13290811 - 2⁵ = 13290779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13290911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64416 + ... + 64621.

It is an arithmetic number, because the mean of its divisors is an integer number (3354988).

Almost surely, 2^13290811 is an apocalyptic number.

13290811 is a deficient number, since it is larger than the sum of its proper divisors (129141).

13290811 is a wasteful number, since it uses less digits than its factorization.

13290811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129140.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 13290811 is about 3645.6564566618. The cubic root of 13290811 is about 236.8738728443.

The spelling of 13290811 in words is "thirteen million, two hundred ninety thousand, eight hundred eleven".