13451513 has 2 divisors, whose sum is σ = 13451514. Its totient is φ = 13451512.

The previous prime is 13451497. The next prime is 13451617. The reversal of 13451513 is 31515431.

13451513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13446889 + 4624 = 3667^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 13451513 - 2⁴ = 13451497 is a prime.

It is not a weakly prime, because it can be changed into another prime (13451213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6725756 + 6725757.

It is an arithmetic number, because the mean of its divisors is an integer number (6725757).

Almost surely, 2^13451513 is an apocalyptic number.

It is an amenable number.

13451513 is a deficient number, since it is larger than the sum of its proper divisors (1).

13451513 is an equidigital number, since it uses as much as digits as its factorization.

13451513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 13451513 is about 3667.6304339451. The cubic root of 13451513 is about 237.8247479940.

Adding to 13451513 its reverse (31515431), we get a palindrome (44966944).

The spelling of 13451513 in words is "thirteen million, four hundred fifty-one thousand, five hundred thirteen".