13278064 has 20 divisors (see below), whose sum is σ = 26275104. Its totient is φ = 6497408.

The previous prime is 13278059. The next prime is 13278073. The reversal of 13278064 is 46087231.

13278064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8077 + ... + 9580.

Almost surely, 2^13278064 is an apocalyptic number.

It is an amenable number.

13278064 is a deficient number, since it is larger than the sum of its proper divisors (12997040).

13278064 is a wasteful number, since it uses less digits than its factorization.

13278064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17712 (or 17706 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 13278064 is about 3643.9077924668. The cubic root of 13278064 is about 236.7981213328.

The spelling of 13278064 in words is "thirteen million, two hundred seventy-eight thousand, sixty-four".