13516091 has 4 divisors (see below), whose sum is σ = 13527384. Its totient is φ = 13504800.

The previous prime is 13516073. The next prime is 13516103. The reversal of 13516091 is 19061531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13516091 - 2¹⁰ = 13515067 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 13516091.

It is not an unprimeable number, because it can be changed into a prime (13516891) 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, 3605 + ... + 6326.

It is an arithmetic number, because the mean of its divisors is an integer number (3381846).

Almost surely, 2^13516091 is an apocalyptic number.

13516091 is a deficient number, since it is larger than the sum of its proper divisors (11293).

13516091 is an equidigital number, since it uses as much as digits as its factorization.

13516091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11292.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 13516091 is about 3676.4236698183. The cubic root of 13516091 is about 238.2047234569.

The spelling of 13516091 in words is "thirteen million, five hundred sixteen thousand, ninety-one".