13415478 has 16 divisors (see below), whose sum is σ = 26872560. Its totient is φ = 4464896.

The previous prime is 13415461. The next prime is 13415483. The reversal of 13415478 is 87451431.

13415478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×13415478⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3838 + ... + 6446.

It is an arithmetic number, because the mean of its divisors is an integer number (1679535).

Almost surely, 2^13415478 is an apocalyptic number.

13415478 is an abundant number, since it is smaller than the sum of its proper divisors (13457082).

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

13415478 is a wasteful number, since it uses less digits than its factorization.

13415478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471.

The product of its digits is 13440, while the sum is 33.

The square root of 13415478 is about 3662.7145670936. The cubic root of 13415478 is about 237.6121900241.

The spelling of 13415478 in words is "thirteen million, four hundred fifteen thousand, four hundred seventy-eight".