13213835 has 16 divisors (see below), whose sum is σ = 16780800. Its totient is φ = 9961056.

The previous prime is 13213831. The next prime is 13213841. The reversal of 13213835 is 53831231.

It is a cyclic number.

It is not a de Polignac number, because 13213835 - 2² = 13213831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13213831) 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, 34676 + ... + 35054.

It is an arithmetic number, because the mean of its divisors is an integer number (1048800).

Almost surely, 2^13213835 is an apocalyptic number.

13213835 is a deficient number, since it is larger than the sum of its proper divisors (3566965).

13213835 is a wasteful number, since it uses less digits than its factorization.

13213835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its digits is 2160, while the sum is 26.

The square root of 13213835 is about 3635.0839054965. The cubic root of 13213835 is about 236.4156886661.

The spelling of 13213835 in words is "thirteen million, two hundred thirteen thousand, eight hundred thirty-five".