13100691 has 4 divisors (see below), whose sum is σ = 17467592. Its totient is φ = 8733792.

The previous prime is 13100683. The next prime is 13100719. The reversal of 13100691 is 19600131.

It is a happy number.

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

It is not a de Polignac number, because 13100691 - 2³ = 13100683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13100621) 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, 2183446 + ... + 2183451.

It is an arithmetic number, because the mean of its divisors is an integer number (4366898).

Almost surely, 2^13100691 is an apocalyptic number.

13100691 is a deficient number, since it is larger than the sum of its proper divisors (4366901).

13100691 is an equidigital number, since it uses as much as digits as its factorization.

13100691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366900.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 13100691 is about 3619.4876709280. The cubic root of 13100691 is about 235.7389805427.

The spelling of 13100691 in words is "thirteen million, one hundred thousand, six hundred ninety-one".