27397012 has 18 divisors (see below), whose sum is σ = 50603658. Its totient is φ = 12976848.

The previous prime is 27397009. The next prime is 27397021. The reversal of 27397012 is 21079372.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 5550736 = 4674^2 + 2356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8043 + ... + 10930.

Almost surely, 2^27397012 is an apocalyptic number.

It is an amenable number.

27397012 is a deficient number, since it is larger than the sum of its proper divisors (23206646).

27397012 is a wasteful number, since it uses less digits than its factorization.

27397012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19015 (or 18994 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 27397012 is about 5234.2155095105. The cubic root of 27397012 is about 301.4632660524.

The spelling of 27397012 in words is "twenty-seven million, three hundred ninety-seven thousand, twelve".