13413231 has 12 divisors (see below), whose sum is σ = 20865208. Its totient is φ = 8254224.

The previous prime is 13413223. The next prime is 13413241. The reversal of 13413231 is 13231431.

13413231 is a `hidden beast` number, since 1 + 341 + 323 + 1 = 666.

It is not a de Polignac number, because 13413231 - 2³ = 13413223 is a prime.

It is a super-2 number, since 2×13413231² = 359829531718722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413241) 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, 57205 + ... + 57438.

Almost surely, 2^13413231 is an apocalyptic number.

13413231 is a deficient number, since it is larger than the sum of its proper divisors (7451977).

13413231 is a wasteful number, since it uses less digits than its factorization.

13413231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114662 (or 114659 counting only the distinct ones).

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

The square root of 13413231 is about 3662.4078145395. The cubic root of 13413231 is about 237.5989231492.

Adding to 13413231 its reverse (13231431), we get a palindrome (26644662).

The spelling of 13413231 in words is "thirteen million, four hundred thirteen thousand, two hundred thirty-one".