13201278 has 16 divisors (see below), whose sum is σ = 26797440. Its totient is φ = 4334616.

The previous prime is 13201261. The next prime is 13201283. The reversal of 13201278 is 87210231.

It is a congruent number.

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, 16018 + ... + 16821.

It is an arithmetic number, because the mean of its divisors is an integer number (1674840).

Almost surely, 2^13201278 is an apocalyptic number.

13201278 is an abundant number, since it is smaller than the sum of its proper divisors (13596162).

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

13201278 is a wasteful number, since it uses less digits than its factorization.

13201278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32911.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 13201278 is about 3633.3562996216. The cubic root of 13201278 is about 236.3407769627.

The spelling of 13201278 in words is "thirteen million, two hundred one thousand, two hundred seventy-eight".