13093091 has 6 divisors (see below), whose sum is σ = 14296476. Its totient is φ = 11891900.

The previous prime is 13093021. The next prime is 13093097. The reversal of 13093091 is 19039031.

It is not a de Polignac number, because 13093091 - 2²² = 8898787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13093091.

It is not an unprimeable number, because it can be changed into a prime (13093097) 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 5 ways as a sum of consecutive naturals, for example, 11456 + ... + 12546.

It is an arithmetic number, because the mean of its divisors is an integer number (2382746).

Almost surely, 2^13093091 is an apocalyptic number.

13093091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13093091 is a deficient number, since it is larger than the sum of its proper divisors (1203385).

13093091 is an frugal number, since it uses more digits than its factorization.

13093091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 13093091 is about 3618.4376462777. The cubic root of 13093091 is about 235.6933859295.

The spelling of 13093091 in words is "thirteen million, ninety-three thousand, ninety-one".