13013331 has 16 divisors (see below), whose sum is σ = 18240000. Its totient is φ = 8236800.

The previous prime is 13013327. The next prime is 13013333. The reversal of 13013331 is 13331031.

13013331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13013331 - 2² = 13013327 is a prime.

It is a super-2 number, since 2×13013331² = 338693567431122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13013331.

It is not an unprimeable number, because it can be changed into a prime (13013333) 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 15 ways as a sum of consecutive naturals, for example, 9795 + ... + 11043.

It is an arithmetic number, because the mean of its divisors is an integer number (1140000).

Almost surely, 2^13013331 is an apocalyptic number.

13013331 is a deficient number, since it is larger than the sum of its proper divisors (5226669).

13013331 is a wasteful number, since it uses less digits than its factorization.

13013331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 13013331 is about 3607.3994788490. The cubic root of 13013331 is about 235.2138147573.

Adding to 13013331 its reverse (13331031), we get a palindrome (26344362).

The spelling of 13013331 in words is "thirteen million, thirteen thousand, three hundred thirty-one".