13040291 has 12 divisors (see below), whose sum is σ = 14644896. Its totient is φ = 11597520.

The previous prime is 13040281. The next prime is 13040297. The reversal of 13040291 is 19204031.

It is not a de Polignac number, because 13040291 - 2¹⁸ = 12778147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13040297) 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, 4541 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (1220408).

Almost surely, 2^13040291 is an apocalyptic number.

13040291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13040291 is a deficient number, since it is larger than the sum of its proper divisors (1604605).

13040291 is a wasteful number, since it uses less digits than its factorization.

13040291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13040291 is about 3611.1343093272. The cubic root of 13040291 is about 235.3761352346.

It can be divided in two parts, 13040 and 291, that added together give a palindrome (13331).

The spelling of 13040291 in words is "thirteen million, forty thousand, two hundred ninety-one".