13023291 has 16 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 8298528.

The previous prime is 13023289. The next prime is 13023383. The reversal of 13023291 is 19232031.

It is a happy number.

It is not a de Polignac number, because 13023291 - 2¹ = 13023289 is a prime.

It is a super-2 number, since 2×13023291² = 339212216941362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13023251) 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 15 ways as a sum of consecutive naturals, for example, 8610 + ... + 10008.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^13023291 is an apocalyptic number.

13023291 is a deficient number, since it is larger than the sum of its proper divisors (5120709).

13023291 is a wasteful number, since it uses less digits than its factorization.

13023291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13023291 is about 3608.7797106501. The cubic root of 13023291 is about 235.2738079075.

The spelling of 13023291 in words is "thirteen million, twenty-three thousand, two hundred ninety-one".