13676431 has 2 divisors, whose sum is σ = 13676432. Its totient is φ = 13676430.

The previous prime is 13676417. The next prime is 13676441. The reversal of 13676431 is 13467631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13676431 - 2⁷ = 13676303 is a prime.

It is a super-2 number, since 2×13676431² = 374089529795522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13676393 and 13676402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13676441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6838215 + 6838216.

It is an arithmetic number, because the mean of its divisors is an integer number (6838216).

Almost surely, 2^13676431 is an apocalyptic number.

13676431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13676431 is an equidigital number, since it uses as much as digits as its factorization.

13676431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 13676431 is about 3698.1658967656. The cubic root of 13676431 is about 239.1429558551.

It can be divided in two parts, 136 and 76431, that added together give a palindrome (76567).

The spelling of 13676431 in words is "thirteen million, six hundred seventy-six thousand, four hundred thirty-one".