13040159 has 4 divisors (see below), whose sum is σ = 14225640. Its totient is φ = 11854680.

The previous prime is 13040141. The next prime is 13040161. The reversal of 13040159 is 95104031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13040159 - 2²⁰ = 11991583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592724 + ... + 592745.

It is an arithmetic number, because the mean of its divisors is an integer number (3556410).

Almost surely, 2^13040159 is an apocalyptic number.

13040159 is a deficient number, since it is larger than the sum of its proper divisors (1185481).

13040159 is a wasteful number, since it uses less digits than its factorization.

13040159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185480.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13040159 is about 3611.1160324753. The cubic root of 13040159 is about 235.3753410357.

The spelling of 13040159 in words is "thirteen million, forty thousand, one hundred fifty-nine".