13291103 has 12 divisors (see below), whose sum is σ = 15881112. Its totient is φ = 11082960.

The previous prime is 13291087. The next prime is 13291111. The reversal of 13291103 is 30119231.

It is not a de Polignac number, because 13291103 - 2⁴ = 13291087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13291153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1853 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (1323426).

Almost surely, 2^13291103 is an apocalyptic number.

13291103 is a deficient number, since it is larger than the sum of its proper divisors (2590009).

13291103 is an equidigital number, since it uses as much as digits as its factorization.

13291103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7382 (or 7375 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 13291103 is about 3645.6965040990. The cubic root of 13291103 is about 236.8756075432.

The spelling of 13291103 in words is "thirteen million, two hundred ninety-one thousand, one hundred three".