13133913 has 8 divisors (see below), whose sum is σ = 18859008. Its totient is φ = 8082384.

The previous prime is 13133893. The next prime is 13133933. The reversal of 13133913 is 31933131.

It is an interprime number because it is at equal distance from previous prime (13133893) and next prime (13133933).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13133913 - 2⁵ = 13133881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13133933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168345 + ... + 168422.

It is an arithmetic number, because the mean of its divisors is an integer number (2357376).

Almost surely, 2^13133913 is an apocalyptic number.

13133913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13133913 is a deficient number, since it is larger than the sum of its proper divisors (5725095).

13133913 is a wasteful number, since it uses less digits than its factorization.

13133913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336783.

The product of its digits is 729, while the sum is 24.

The square root of 13133913 is about 3624.0740886466. The cubic root of 13133913 is about 235.9380822435.

The spelling of 13133913 in words is "thirteen million, one hundred thirty-three thousand, nine hundred thirteen".