13475487 has 4 divisors (see below), whose sum is σ = 17967320. Its totient is φ = 8983656.

The previous prime is 13475477. The next prime is 13475507. The reversal of 13475487 is 78457431.

13475487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13475487 - 2¹⁰ = 13474463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13475477) 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, 2245912 + ... + 2245917.

It is an arithmetic number, because the mean of its divisors is an integer number (4491830).

Almost surely, 2^13475487 is an apocalyptic number.

13475487 is a deficient number, since it is larger than the sum of its proper divisors (4491833).

13475487 is an equidigital number, since it uses as much as digits as its factorization.

13475487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491832.

The product of its digits is 94080, while the sum is 39.

The square root of 13475487 is about 3670.8973017506. The cubic root of 13475487 is about 237.9659521004.

The spelling of 13475487 in words is "thirteen million, four hundred seventy-five thousand, four hundred eighty-seven".