13251013 has 4 divisors (see below), whose sum is σ = 13827168. Its totient is φ = 12674860.

The previous prime is 13251001. The next prime is 13251019. The reversal of 13251013 is 31015231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31015231 = 13 ⋅2385787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13251013 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 (13251019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288043 + ... + 288088.

It is an arithmetic number, because the mean of its divisors is an integer number (3456792).

Almost surely, 2^13251013 is an apocalyptic number.

It is an amenable number.

13251013 is a deficient number, since it is larger than the sum of its proper divisors (576155).

13251013 is an equidigital number, since it uses as much as digits as its factorization.

13251013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576154.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13251013 is about 3640.1940882321. The cubic root of 13251013 is about 236.6372047788.

Adding to 13251013 its reverse (31015231), we get a palindrome (44266244).

The spelling of 13251013 in words is "thirteen million, two hundred fifty-one thousand, thirteen".