13719056 has 20 divisors (see below), whose sum is σ = 28625772. Its totient is φ = 6331776.

The previous prime is 13719053. The next prime is 13719071. The reversal of 13719056 is 65091731.

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 9241600 = 2116^2 + 3040^2 .

It is a super-2 number, since 2×13719056² = 376424995062272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13719053) 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, 32771 + ... + 33186.

Almost surely, 2^13719056 is an apocalyptic number.

13719056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13719056 is an abundant number, since it is smaller than the sum of its proper divisors (14906716).

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

13719056 is a wasteful number, since it uses less digits than its factorization.

13719056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65978 (or 65972 counting only the distinct ones).

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

The square root of 13719056 is about 3703.9244052761. The cubic root of 13719056 is about 239.3911418738.

The spelling of 13719056 in words is "thirteen million, seven hundred nineteen thousand, fifty-six".