13368831 has 16 divisors (see below), whose sum is σ = 20584704. Its totient is φ = 7559424.

The previous prime is 13368827. The next prime is 13368847. The reversal of 13368831 is 13886331.

It is a happy number.

It is not a de Polignac number, because 13368831 - 2² = 13368827 is a prime.

It is a super-2 number, since 2×13368831² = 357451284613122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13368792 and 13368801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13368811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (1286544).

Almost surely, 2^13368831 is an apocalyptic number.

13368831 is a deficient number, since it is larger than the sum of its proper divisors (7215873).

13368831 is an equidigital number, since it uses as much as digits as its factorization.

13368831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670.

The product of its digits is 10368, while the sum is 33.

The square root of 13368831 is about 3656.3412039907. The cubic root of 13368831 is about 237.3364695138.

The spelling of 13368831 in words is "thirteen million, three hundred sixty-eight thousand, eight hundred thirty-one".