13477975 has 12 divisors (see below), whose sum is σ = 19100464. Its totient is φ = 9241920.

The previous prime is 13477969. The next prime is 13477987. The reversal of 13477975 is 57977431.

It is not a de Polignac number, because 13477975 - 2³ = 13477967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38334 + ... + 38683.

Almost surely, 2^13477975 is an apocalyptic number.

13477975 is a deficient number, since it is larger than the sum of its proper divisors (5622489).

13477975 is an equidigital number, since it uses as much as digits as its factorization.

13477975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77034 (or 77029 counting only the distinct ones).

The product of its digits is 185220, while the sum is 43.

The square root of 13477975 is about 3671.2361678323. The cubic root of 13477975 is about 237.9805965397.

The spelling of 13477975 in words is "thirteen million, four hundred seventy-seven thousand, nine hundred seventy-five".