13478994 has 32 divisors (see below), whose sum is σ = 31717440. Its totient is φ = 4228416.

The previous prime is 13478981. The next prime is 13479001. The reversal of 13478994 is 49987431.

13478994 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 6424 + ... + 8259.

It is an arithmetic number, because the mean of its divisors is an integer number (991170).

Almost surely, 2^13478994 is an apocalyptic number.

13478994 is an abundant number, since it is smaller than the sum of its proper divisors (18238446).

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

13478994 is a wasteful number, since it uses less digits than its factorization.

13478994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14711 (or 14705 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13478994 is about 3671.3749468013. The cubic root of 13478994 is about 237.9865938827.

The spelling of 13478994 in words is "thirteen million, four hundred seventy-eight thousand, nine hundred ninety-four".