13299993 has 24 divisors (see below), whose sum is σ = 22171968. Its totient is φ = 7525152.

The previous prime is 13299991. The next prime is 13300039. The reversal of 13299993 is 39999231.

13299993 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13299993 - 2¹ = 13299991 is a prime.

13299993 is strictly pandigital in base 8.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13299991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5755 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (923832).

Almost surely, 2^13299993 is an apocalyptic number.

It is an amenable number.

13299993 is a deficient number, since it is larger than the sum of its proper divisors (8871975).

13299993 is a wasteful number, since it uses less digits than its factorization.

13299993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093 (or 2090 counting only the distinct ones).

The product of its digits is 118098, while the sum is 45.

The square root of 13299993 is about 3646.9155460471. The cubic root of 13299993 is about 236.9284086493.

The spelling of 13299993 in words is "thirteen million, two hundred ninety-nine thousand, nine hundred ninety-three".