27264213 has 12 divisors (see below), whose sum is σ = 39937248. Its totient is φ = 17919720.

The previous prime is 27264197. The next prime is 27264217. The reversal of 27264213 is 31246272.

27264213 is a `hidden beast` number, since 2 + 7 + 2 + 642 + 13 = 666.

It is not a de Polignac number, because 27264213 - 2⁴ = 27264197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27264217) 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, 20695 + ... + 21972.

It is an arithmetic number, because the mean of its divisors is an integer number (3328104).

Almost surely, 2^27264213 is an apocalyptic number.

It is an amenable number.

27264213 is a deficient number, since it is larger than the sum of its proper divisors (12673035).

27264213 is a wasteful number, since it uses less digits than its factorization.

27264213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42744 (or 42741 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 27264213 is about 5221.5144354871. The cubic root of 27264213 is about 300.9753919316.

The spelling of 27264213 in words is "twenty-seven million, two hundred sixty-four thousand, two hundred thirteen".