13442091 has 12 divisors (see below), whose sum is σ = 19408248. Its totient is φ = 8271744.

The previous prime is 13442083. The next prime is 13442111. The reversal of 13442091 is 19024431.

13442091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13442091 - 2³ = 13442083 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13442591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12750 + ... + 13763.

It is an arithmetic number, because the mean of its divisors is an integer number (1617354).

Almost surely, 2^13442091 is an apocalyptic number.

13442091 is a deficient number, since it is larger than the sum of its proper divisors (5966157).

13442091 is a wasteful number, since it uses less digits than its factorization.

13442091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26542 (or 26529 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13442091 is about 3666.3457283786. The cubic root of 13442091 is about 237.7692075711.

The spelling of 13442091 in words is "thirteen million, four hundred forty-two thousand, ninety-one".