13314056021 has 12 divisors (see below), whose sum is σ = 15498669132. Its totient is φ = 11404024128.

The previous prime is 13314056003. The next prime is 13314056047. The reversal of 13314056021 is 12065041331.

It can be written as a sum of positive squares in 2 ways, for example, as 9848379121 + 3465676900 = 99239^2 + 58870^2 .

It is not a de Polignac number, because 13314056021 - 2⁶ = 13314055957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13314056081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24590 + ... + 165023.

It is an arithmetic number, because the mean of its divisors is an integer number (1291555761).

Almost surely, 2^13314056021 is an apocalyptic number.

It is an amenable number.

13314056021 is a deficient number, since it is larger than the sum of its proper divisors (2184613111).

13314056021 is a wasteful number, since it uses less digits than its factorization.

13314056021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191060 (or 191053 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 13314056021 its reverse (12065041331), we get a palindrome (25379097352).

The spelling of 13314056021 in words is "thirteen billion, three hundred fourteen million, fifty-six thousand, twenty-one".