13390835 has 4 divisors (see below), whose sum is σ = 16069008. Its totient is φ = 10712664.

The previous prime is 13390823. The next prime is 13390841. The reversal of 13390835 is 53809331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13390835 - 2⁶ = 13390771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339079 + ... + 1339088.

It is an arithmetic number, because the mean of its divisors is an integer number (4017252).

Almost surely, 2^13390835 is an apocalyptic number.

13390835 is a deficient number, since it is larger than the sum of its proper divisors (2678173).

13390835 is an equidigital number, since it uses as much as digits as its factorization.

13390835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678172.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 13390835 is about 3659.3489858170. The cubic root of 13390835 is about 237.4666102645.

The spelling of 13390835 in words is "thirteen million, three hundred ninety thousand, eight hundred thirty-five".