13933247 has 8 divisors (see below), whose sum is σ = 14347344. Its totient is φ = 13523328.

The previous prime is 13933207. The next prime is 13933267. The reversal of 13933247 is 74233931.

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

It is not a de Polignac number, because 13933247 - 2⁸ = 13932991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13933207) 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, 6503 + ... + 8375.

It is an arithmetic number, because the mean of its divisors is an integer number (1793418).

Almost surely, 2^13933247 is an apocalyptic number.

13933247 is a deficient number, since it is larger than the sum of its proper divisors (414097).

13933247 is a wasteful number, since it uses less digits than its factorization.

13933247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089.

The product of its digits is 13608, while the sum is 32.

The square root of 13933247 is about 3732.7264834166. The cubic root of 13933247 is about 240.6305583019.

The spelling of 13933247 in words is "thirteen million, nine hundred thirty-three thousand, two hundred forty-seven".