13471491 has 16 divisors (see below), whose sum is σ = 20448000. Its totient is φ = 7809120.

The previous prime is 13471483. The next prime is 13471501. The reversal of 13471491 is 19417431.

13471491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13471491 - 2³ = 13471483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13471091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8116 + ... + 9633.

It is an arithmetic number, because the mean of its divisors is an integer number (1278000).

Almost surely, 2^13471491 is an apocalyptic number.

13471491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13471491 is a deficient number, since it is larger than the sum of its proper divisors (6976509).

13471491 is a wasteful number, since it uses less digits than its factorization.

13471491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17786.

The product of its digits is 3024, while the sum is 30.

The square root of 13471491 is about 3670.3529803004. The cubic root of 13471491 is about 237.9424277569.

The spelling of 13471491 in words is "thirteen million, four hundred seventy-one thousand, four hundred ninety-one".