13214331 has 24 divisors (see below), whose sum is σ = 20953296. Its totient is φ = 7974720.

The previous prime is 13214323. The next prime is 13214353. The reversal of 13214331 is 13341231.

It is not a de Polignac number, because 13214331 - 2³ = 13214323 is a prime.

It is a super-2 number, since 2×13214331² = 349237087555122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214371) 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 23 ways as a sum of consecutive naturals, for example, 5136 + ... + 7266.

It is an arithmetic number, because the mean of its divisors is an integer number (873054).

Almost surely, 2^13214331 is an apocalyptic number.

13214331 is a deficient number, since it is larger than the sum of its proper divisors (7738965).

13214331 is a wasteful number, since it uses less digits than its factorization.

13214331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2200 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 13214331 is about 3635.1521288661. The cubic root of 13214331 is about 236.4186466950.

Adding to 13214331 its reverse (13341231), we get a palindrome (26555562).

The spelling of 13214331 in words is "thirteen million, two hundred fourteen thousand, three hundred thirty-one".