13331268 has 36 divisors (see below), whose sum is σ = 34419840. Its totient is φ = 4348656.

The previous prime is 13331251. The next prime is 13331287. The reversal of 13331268 is 86213331.

It is a happy number.

13331268 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2248 + ... + 5631.

Almost surely, 2^13331268 is an apocalyptic number.

13331268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13331268 is an abundant number, since it is smaller than the sum of its proper divisors (21088572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13331268 is a wasteful number, since it uses less digits than its factorization.

13331268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936 (or 7931 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 13331268 is about 3651.2008983347. The cubic root of 13331268 is about 237.1139760499.

Adding to 13331268 its reverse (86213331), we get a palindrome (99544599).

It can be divided in two parts, 1333 and 1268, that added together give a square (2601 = 51²).

The spelling of 13331268 in words is "thirteen million, three hundred thirty-one thousand, two hundred sixty-eight".