13278748 has 12 divisors (see below), whose sum is σ = 26557552. Its totient is φ = 5690880.

The previous prime is 13278737. The next prime is 13278791. The reversal of 13278748 is 84787231.

13278748 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

13278748 is an admirable number.

13278748 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 13278748.

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, 237093 + ... + 237148.

Almost surely, 2^13278748 is an apocalyptic number.

It is an amenable number.

13278748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13278748 is a wasteful number, since it uses less digits than its factorization.

13278748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474252 (or 474250 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 13278748 is about 3644.0016465419. The cubic root of 13278748 is about 236.8021873657.

The spelling of 13278748 in words is "thirteen million, two hundred seventy-eight thousand, seven hundred forty-eight".