13037081 has 4 divisors (see below), whose sum is σ = 13457664. Its totient is φ = 12616500.

The previous prime is 13037071. The next prime is 13037093. The reversal of 13037081 is 18073031.

It is a happy number.

13037081 is nontrivially palindromic in base 5.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13037081 is a prime.

It is a super-2 number, since 2×13037081² = 339930962001122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13037051) 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, 210245 + ... + 210306.

It is an arithmetic number, because the mean of its divisors is an integer number (3364416).

Almost surely, 2^13037081 is an apocalyptic number.

It is an amenable number.

13037081 is a deficient number, since it is larger than the sum of its proper divisors (420583).

13037081 is an equidigital number, since it uses as much as digits as its factorization.

13037081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420582.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 13037081 is about 3610.6898232886. The cubic root of 13037081 is about 235.3568202414.

The spelling of 13037081 in words is "thirteen million, thirty-seven thousand, eighty-one".