13469691 has 4 divisors (see below), whose sum is σ = 17959592. Its totient is φ = 8979792.

The previous prime is 13469669. The next prime is 13469761. The reversal of 13469691 is 19696431.

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

It is not a de Polignac number, because 13469691 - 2⁷ = 13469563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13469611) 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, 2244946 + ... + 2244951.

It is an arithmetic number, because the mean of its divisors is an integer number (4489898).

Almost surely, 2^13469691 is an apocalyptic number.

13469691 is a deficient number, since it is larger than the sum of its proper divisors (4489901).

13469691 is an equidigital number, since it uses as much as digits as its factorization.

13469691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489900.

The product of its digits is 34992, while the sum is 39.

The square root of 13469691 is about 3670.1077640854. The cubic root of 13469691 is about 237.9318296861.

The spelling of 13469691 in words is "thirteen million, four hundred sixty-nine thousand, six hundred ninety-one".