13431122 has 16 divisors (see below), whose sum is σ = 22021632. Its totient is φ = 6116160.

The previous prime is 13431113. The next prime is 13431127. The reversal of 13431122 is 22113431.

13431122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 13431122.

It is not an unprimeable number, because it can be changed into a prime (13431127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5318 + ... + 7425.

It is an arithmetic number, because the mean of its divisors is an integer number (1376352).

Almost surely, 2^13431122 is an apocalyptic number.

13431122 is a deficient number, since it is larger than the sum of its proper divisors (8590510).

13431122 is a wasteful number, since it uses less digits than its factorization.

13431122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793.

The product of its digits is 144, while the sum is 17.

The square root of 13431122 is about 3664.8495194210. The cubic root of 13431122 is about 237.7045152507.

Adding to 13431122 its reverse (22113431), we get a palindrome (35544553).

The spelling of 13431122 in words is "thirteen million, four hundred thirty-one thousand, one hundred twenty-two".