13934478 has 16 divisors (see below), whose sum is σ = 27917136. Its totient is φ = 4636800.

The previous prime is 13934477. The next prime is 13934483. The reversal of 13934478 is 87443931.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13934477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550 + ... + 5862.

It is an arithmetic number, because the mean of its divisors is an integer number (1744821).

Almost surely, 2^13934478 is an apocalyptic number.

13934478 is an abundant number, since it is smaller than the sum of its proper divisors (13982658).

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

13934478 is a wasteful number, since it uses less digits than its factorization.

13934478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019.

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

The square root of 13934478 is about 3732.8913726494. The cubic root of 13934478 is about 240.6376446495.

The spelling of 13934478 in words is "thirteen million, nine hundred thirty-four thousand, four hundred seventy-eight".