13091841 has 32 divisors (see below), whose sum is σ = 22398720. Its totient is φ = 7402752.

The previous prime is 13091831. The next prime is 13091849. The reversal of 13091841 is 14819031.

It is not a de Polignac number, because 13091841 - 2⁵ = 13091809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13091849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21051 + ... + 21663.

It is an arithmetic number, because the mean of its divisors is an integer number (699960).

Almost surely, 2^13091841 is an apocalyptic number.

It is an amenable number.

13091841 is a deficient number, since it is larger than the sum of its proper divisors (9306879).

13091841 is a wasteful number, since it uses less digits than its factorization.

13091841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 13091841 is about 3618.2649156744. The cubic root of 13091841 is about 235.6858851260.

The spelling of 13091841 in words is "thirteen million, ninety-one thousand, eight hundred forty-one".