13475691 has 12 divisors (see below), whose sum is σ = 20136480. Its totient is φ = 8673840.

The previous prime is 13475689. The next prime is 13475701. The reversal of 13475691 is 19657431.

13475691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13475691 - 2¹ = 13475689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13475291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25555 + ... + 26076.

It is an arithmetic number, because the mean of its divisors is an integer number (1678040).

Almost surely, 2^13475691 is an apocalyptic number.

13475691 is a deficient number, since it is larger than the sum of its proper divisors (6660789).

13475691 is a wasteful number, since it uses less digits than its factorization.

13475691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51666 (or 51663 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 13475691 is about 3670.9250877674. The cubic root of 13475691 is about 237.9671529181.

The spelling of 13475691 in words is "thirteen million, four hundred seventy-five thousand, six hundred ninety-one".