13917056 has 16 divisors (see below), whose sum is σ = 27725640. Its totient is φ = 6958464.

The previous prime is 13917049. The next prime is 13917061. The reversal of 13917056 is 65071931.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54236 + ... + 54491.

Almost surely, 2^13917056 is an apocalyptic number.

13917056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13917056 is a deficient number, since it is larger than the sum of its proper divisors (13808584).

13917056 is an equidigital number, since it uses as much as digits as its factorization.

13917056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108741 (or 108729 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 13917056 is about 3730.5570629599. The cubic root of 13917056 is about 240.5373146747.

Adding to 13917056 its reverse (65071931), we get a palindrome (78988987).

The spelling of 13917056 in words is "thirteen million, nine hundred seventeen thousand, fifty-six".