13278316 has 6 divisors (see below), whose sum is σ = 23237060. Its totient is φ = 6639156.

The previous prime is 13278311. The next prime is 13278319. The reversal of 13278316 is 61387231.

13278316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13278311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659786 + ... + 1659793.

Almost surely, 2^13278316 is an apocalyptic number.

It is an amenable number.

13278316 is a deficient number, since it is larger than the sum of its proper divisors (9958744).

13278316 is a wasteful number, since it uses less digits than its factorization.

13278316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319583 (or 3319581 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13278316 is about 3643.9423705652. The cubic root of 13278316 is about 236.7996193611.

The spelling of 13278316 in words is "thirteen million, two hundred seventy-eight thousand, three hundred sixteen".