13930056 has 160 divisors (see below), whose sum is σ = 46347840. Its totient is φ = 3825792.

The previous prime is 13930051. The next prime is 13930069. The reversal of 13930056 is 65003931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13930051) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 167791 + ... + 167873.

It is an arithmetic number, because the mean of its divisors is an integer number (289674).

Almost surely, 2^13930056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13930056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23173920).

13930056 is an abundant number, since it is smaller than the sum of its proper divisors (32417784).

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

13930056 is a wasteful number, since it uses less digits than its factorization.

13930056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 13930056 is about 3732.2990233903. The cubic root of 13930056 is about 240.6121871178.

Adding to 13930056 its reverse (65003931), we get a palindrome (78933987).

The spelling of 13930056 in words is "thirteen million, nine hundred thirty thousand, fifty-six".