13481913 has 12 divisors (see below), whose sum is σ = 18299888. Its totient is φ = 8828760.

The previous prime is 13481899. The next prime is 13481921. The reversal of 13481913 is 31918431.

13481913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13481913 - 2⁹ = 13481401 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13481813) 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, 9798 + ... + 11088.

Almost surely, 2^13481913 is an apocalyptic number.

It is an amenable number.

13481913 is a deficient number, since it is larger than the sum of its proper divisors (4817975).

13481913 is an equidigital number, since it uses as much as digits as its factorization.

13481913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 1353 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 13481913 is about 3671.7724602704. The cubic root of 13481913 is about 238.0037720373.

The spelling of 13481913 in words is "thirteen million, four hundred eighty-one thousand, nine hundred thirteen".