13478464 has 14 divisors (see below), whose sum is σ = 26746454. Its totient is φ = 6739200.

The previous prime is 13478447. The next prime is 13478473. The reversal of 13478464 is 46487431.

It can be written as a sum of positive squares in only one way, i.e., 6760000 + 6718464 = 2600^2 + 2592^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105237 + ... + 105364.

It is an arithmetic number, because the mean of its divisors is an integer number (1910461).

Almost surely, 2^13478464 is an apocalyptic number.

It is an amenable number.

13478464 is a deficient number, since it is larger than the sum of its proper divisors (13267990).

13478464 is an equidigital number, since it uses as much as digits as its factorization.

13478464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210613 (or 210603 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 13478464 is about 3671.3027660491. The cubic root of 13478464 is about 237.9834745958.

The spelling of 13478464 in words is "thirteen million, four hundred seventy-eight thousand, four hundred sixty-four".