13113456 has 40 divisors (see below), whose sum is σ = 34052880. Its totient is φ = 4348416.

The previous prime is 13113431. The next prime is 13113467. The reversal of 13113456 is 65431131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10396 + ... + 11588.

It is an arithmetic number, because the mean of its divisors is an integer number (851322).

Almost surely, 2^13113456 is an apocalyptic number.

13113456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13113456 is an abundant number, since it is smaller than the sum of its proper divisors (20939424).

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

13113456 is a wasteful number, since it uses less digits than its factorization.

13113456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1427 counting only the distinct ones).

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

The square root of 13113456 is about 3621.2506127027. The cubic root of 13113456 is about 235.8155218297.

Adding to 13113456 its reverse (65431131), we get a palindrome (78544587).

The spelling of 13113456 in words is "thirteen million, one hundred thirteen thousand, four hundred fifty-six".