13010913 has 6 divisors (see below), whose sum is σ = 18793554. Its totient is φ = 8673936.

The previous prime is 13010911. The next prime is 13010923. The reversal of 13010913 is 31901031.

13010913 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9941409 + 3069504 = 3153^2 + 1752^2 .

It is not a de Polignac number, because 13010913 - 2¹ = 13010911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13010911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722820 + ... + 722837.

It is an arithmetic number, because the mean of its divisors is an integer number (3132259).

Almost surely, 2^13010913 is an apocalyptic number.

It is an amenable number.

13010913 is a deficient number, since it is larger than the sum of its proper divisors (5782641).

13010913 is a wasteful number, since it uses less digits than its factorization.

13010913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445663 (or 1445660 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 13010913 is about 3607.0643188055. The cubic root of 13010913 is about 235.1992455376.

Adding to 13010913 its reverse (31901031), we get a palindrome (44911944).

The spelling of 13010913 in words is "thirteen million, ten thousand, nine hundred thirteen".