13431594 has 32 divisors (see below), whose sum is σ = 30850560. Its totient is φ = 3855600.

The previous prime is 13431589. The next prime is 13431599. The reversal of 13431594 is 49513431.

It is an interprime number because it is at equal distance from previous prime (13431589) and next prime (13431599).

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (13431599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4102 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (964080).

Almost surely, 2^13431594 is an apocalyptic number.

13431594 is an abundant number, since it is smaller than the sum of its proper divisors (17418966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13431594 is a wasteful number, since it uses less digits than its factorization.

13431594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10746.

The product of its digits is 6480, while the sum is 30.

The square root of 13431594 is about 3664.9139144051. The cubic root of 13431594 is about 237.7072997094.

The spelling of 13431594 in words is "thirteen million, four hundred thirty-one thousand, five hundred ninety-four".