13311456 has 24 divisors (see below), whose sum is σ = 34942824. Its totient is φ = 4437120.

The previous prime is 13311451. The next prime is 13311469. The reversal of 13311456 is 65411331.

13311456 is digitally balanced in base 2, because in such base 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 (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69235 + ... + 69426.

It is an arithmetic number, because the mean of its divisors is an integer number (1455951).

Almost surely, 2^13311456 is an apocalyptic number.

13311456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13311456 is an abundant number, since it is smaller than the sum of its proper divisors (21631368).

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

13311456 is a wasteful number, since it uses less digits than its factorization.

13311456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138674 (or 138666 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 13311456 is about 3648.4868096240. The cubic root of 13311456 is about 236.9964570675.

Adding to 13311456 its reverse (65411331), we get a palindrome (78722787).

The spelling of 13311456 in words is "thirteen million, three hundred eleven thousand, four hundred fifty-six".