13493478 has 32 divisors (see below), whose sum is σ = 28740096. Its totient is φ = 4208768.

The previous prime is 13493453. The next prime is 13493521. The reversal of 13493478 is 87439431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26575 + ... + 27077.

It is an arithmetic number, because the mean of its divisors is an integer number (898128).

Almost surely, 2^13493478 is an apocalyptic number.

13493478 is an abundant number, since it is smaller than the sum of its proper divisors (15246618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13493478 is a wasteful number, since it uses less digits than its factorization.

13493478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its digits is 72576, while the sum is 39.

The square root of 13493478 is about 3673.3469751713. The cubic root of 13493478 is about 238.0718070644.

The spelling of 13493478 in words is "thirteen million, four hundred ninety-three thousand, four hundred seventy-eight".