13012913 has 2 divisors, whose sum is σ = 13012914. Its totient is φ = 13012912.

The previous prime is 13012889. The next prime is 13012921. The reversal of 13012913 is 31921031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6697744 + 6315169 = 2588^2 + 2513^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012913 - 2⁶ = 13012849 is a prime.

It is not a weakly prime, because it can be changed into another prime (13012933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506456 + 6506457.

It is an arithmetic number, because the mean of its divisors is an integer number (6506457).

Almost surely, 2^13012913 is an apocalyptic number.

It is an amenable number.

13012913 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012913 is an equidigital number, since it uses as much as digits as its factorization.

13012913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 13012913 is about 3607.3415419114. The cubic root of 13012913 is about 235.2112963033.

Adding to 13012913 its reverse (31921031), we get a palindrome (44933944).

The spelling of 13012913 in words is "thirteen million, twelve thousand, nine hundred thirteen".