13231322 has 16 divisors (see below), whose sum is σ = 21500640. Its totient is φ = 6070512.

The previous prime is 13231319. The next prime is 13231331. The reversal of 13231322 is 22313231.

It is a self number, because there is not a number n which added to its sum of digits gives 13231322.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3233 + ... + 6075.

It is an arithmetic number, because the mean of its divisors is an integer number (1343790).

Almost surely, 2^13231322 is an apocalyptic number.

13231322 is a deficient number, since it is larger than the sum of its proper divisors (8269318).

13231322 is a wasteful number, since it uses less digits than its factorization.

13231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037.

The product of its digits is 216, while the sum is 17.

The square root of 13231322 is about 3637.4884192256. The cubic root of 13231322 is about 236.5199324070.

Adding to 13231322 its reverse (22313231), we get a palindrome (35544553).

It can be divided in two parts, 1 and 3231322, that added together give a palindrome (3231323).

The spelling of 13231322 in words is "thirteen million, two hundred thirty-one thousand, three hundred twenty-two".