13120513 has 8 divisors (see below), whose sum is σ = 15023232. Its totient is φ = 11224896.

The previous prime is 13120489. The next prime is 13120517. The reversal of 13120513 is 31502131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13120513 - 2¹⁷ = 12989441 is a prime.

It is a super-2 number, since 2×13120513² = 344295722766338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13120517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3081 + ... + 5977.

It is an arithmetic number, because the mean of its divisors is an integer number (1877904).

Almost surely, 2^13120513 is an apocalyptic number.

It is an amenable number.

13120513 is a deficient number, since it is larger than the sum of its proper divisors (1902719).

13120513 is an equidigital number, since it uses as much as digits as its factorization.

13120513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551.

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

The square root of 13120513 is about 3622.2248687789. The cubic root of 13120513 is about 235.8578155802.

Adding to 13120513 its reverse (31502131), we get a palindrome (44622644).

The spelling of 13120513 in words is "thirteen million, one hundred twenty thousand, five hundred thirteen".