13513051 has 4 divisors (see below), whose sum is σ = 13827352. Its totient is φ = 13198752.

The previous prime is 13513037. The next prime is 13513081. The reversal of 13513051 is 15031531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13513051 - 2⁹ = 13512539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13513021) 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 in 3 ways as a sum of consecutive naturals, for example, 157086 + ... + 157171.

It is an arithmetic number, because the mean of its divisors is an integer number (3456838).

Almost surely, 2^13513051 is an apocalyptic number.

13513051 is a deficient number, since it is larger than the sum of its proper divisors (314301).

13513051 is an equidigital number, since it uses as much as digits as its factorization.

13513051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314300.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 13513051 is about 3676.0102012916. The cubic root of 13513051 is about 238.1868633459.

Adding to 13513051 its reverse (15031531), we get a palindrome (28544582).

The spelling of 13513051 in words is "thirteen million, five hundred thirteen thousand, fifty-one".