13117056 has 32 divisors (see below), whose sum is σ = 34843200. Its totient is φ = 4372224.

The previous prime is 13117031. The next prime is 13117067. The reversal of 13117056 is 65071131.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16696 + ... + 17463.

It is an arithmetic number, because the mean of its divisors is an integer number (1088850).

Almost surely, 2^13117056 is an apocalyptic number.

13117056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13117056 is an abundant number, since it is smaller than the sum of its proper divisors (21726144).

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

13117056 is an equidigital number, since it uses as much as digits as its factorization.

13117056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34176 (or 34164 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 13117056 is about 3621.7476444391. The cubic root of 13117056 is about 235.8370991115.

Adding to 13117056 its reverse (65071131), we get a palindrome (78188187).

The spelling of 13117056 in words is "thirteen million, one hundred seventeen thousand, fifty-six".