13274978 has 16 divisors (see below), whose sum is σ = 20370624. Its totient is φ = 6486480.

The previous prime is 13274969. The next prime is 13274993. The reversal of 13274978 is 87947231.

13274978 is digitally balanced in base 2, because in such base 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 7 ways as a sum of consecutive naturals, for example, 20723 + ... + 21353.

It is an arithmetic number, because the mean of its divisors is an integer number (1273164).

Almost surely, 2^13274978 is an apocalyptic number.

13274978 is a deficient number, since it is larger than the sum of its proper divisors (7095646).

13274978 is a wasteful number, since it uses less digits than its factorization.

13274978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its digits is 84672, while the sum is 41.

The square root of 13274978 is about 3643.4843213605. The cubic root of 13274978 is about 236.7797748926.

The spelling of 13274978 in words is "thirteen million, two hundred seventy-four thousand, nine hundred seventy-eight".