13344993 has 20 divisors (see below), whose sum is σ = 20240880. Its totient is φ = 8760312.

The previous prime is 13344953. The next prime is 13344997. The reversal of 13344993 is 39944331.

It is not a de Polignac number, because 13344993 - 2⁹ = 13344481 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13344997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4198 + ... + 6656.

It is an arithmetic number, because the mean of its divisors is an integer number (1012044).

Almost surely, 2^13344993 is an apocalyptic number.

It is an amenable number.

13344993 is a deficient number, since it is larger than the sum of its proper divisors (6895887).

13344993 is an equidigital number, since it uses as much as digits as its factorization.

13344993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538 (or 2529 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 13344993 is about 3653.0799334260. The cubic root of 13344993 is about 237.1953204783.

The spelling of 13344993 in words is "thirteen million, three hundred forty-four thousand, nine hundred ninety-three".