13477491 has 12 divisors (see below), whose sum is σ = 19513000. Its totient is φ = 8964000.

The previous prime is 13477483. The next prime is 13477493. The reversal of 13477491 is 19477431.

13477491 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 13477491 - 2³ = 13477483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13477493) 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, 2991 + ... + 5991.

Almost surely, 2^13477491 is an apocalyptic number.

13477491 is a deficient number, since it is larger than the sum of its proper divisors (6035509).

13477491 is a wasteful number, since it uses less digits than its factorization.

13477491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506 (or 3503 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 13477491 is about 3671.1702493892. The cubic root of 13477491 is about 237.9777478431.

The spelling of 13477491 in words is "thirteen million, four hundred seventy-seven thousand, four hundred ninety-one".