27266013 has 12 divisors (see below), whose sum is σ = 39449020. Its totient is φ = 18147456.

The previous prime is 27265993. The next prime is 27266027. The reversal of 27266013 is 31066272.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5391684 + 21874329 = 2322^2 + 4677^2 .

It is not a de Polignac number, because 27266013 - 2¹³ = 27257821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27266513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4245 + ... + 8517.

Almost surely, 2^27266013 is an apocalyptic number.

It is an amenable number.

27266013 is a deficient number, since it is larger than the sum of its proper divisors (12183007).

27266013 is a wasteful number, since it uses less digits than its factorization.

27266013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988 (or 4985 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 27266013 is about 5221.6867964289. The cubic root of 27266013 is about 300.9820153123.

The spelling of 27266013 in words is "twenty-seven million, two hundred sixty-six thousand, thirteen".