13980057 has 32 divisors (see below), whose sum is σ = 23520000. Its totient is φ = 7188480.

The previous prime is 13980053. The next prime is 13980091. The reversal of 13980057 is 75008931.

13980057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13980057 - 2² = 13980053 is a prime.

It is a super-3 number, since 3×13980057³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13980053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10569 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (735000).

Almost surely, 2^13980057 is an apocalyptic number.

It is an amenable number.

13980057 is a deficient number, since it is larger than the sum of its proper divisors (9539943).

13980057 is a wasteful number, since it uses less digits than its factorization.

13980057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 13980057 is about 3738.9914415521. The cubic root of 13980057 is about 240.8997304453.

Adding to 13980057 its reverse (75008931), we get a palindrome (88988988).

The spelling of 13980057 in words is "thirteen million, nine hundred eighty thousand, fifty-seven".