13993268 has 12 divisors (see below), whose sum is σ = 24525732. Its totient is φ = 6985920.

The previous prime is 13993267. The next prime is 13993279. The reversal of 13993268 is 86239931.

It can be written as a sum of positive squares in 2 ways, for example, as 362404 + 13630864 = 602^2 + 3692^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13993267) 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 3 ways as a sum of consecutive naturals, for example, 746 + ... + 5342.

It is an arithmetic number, because the mean of its divisors is an integer number (2043811).

Almost surely, 2^13993268 is an apocalyptic number.

It is an amenable number.

13993268 is a deficient number, since it is larger than the sum of its proper divisors (10532464).

13993268 is a wasteful number, since it uses less digits than its factorization.

13993268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362 (or 5360 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 13993268 is about 3740.7576772627. The cubic root of 13993268 is about 240.9755890864.

The spelling of 13993268 in words is "thirteen million, nine hundred ninety-three thousand, two hundred sixty-eight".