27604012 has 12 divisors (see below), whose sum is σ = 49865536. Its totient is φ = 13356720.

The previous prime is 27603991. The next prime is 27604033. The reversal of 27604012 is 21040672.

It is an interprime number because it is at equal distance from previous prime (27603991) and next prime (27604033).

It is a super-2 number, since 2×27604012² = 1523962956992288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111183 + ... + 111430.

Almost surely, 2^27604012 is an apocalyptic number.

It is an amenable number.

27604012 is a deficient number, since it is larger than the sum of its proper divisors (22261524).

27604012 is a wasteful number, since it uses less digits than its factorization.

27604012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222648 (or 222646 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 27604012 is about 5253.9520363247. The cubic root of 27604012 is about 302.2206039858.

Adding to 27604012 its reverse (21040672), we get a palindrome (48644684).

The spelling of 27604012 in words is "twenty-seven million, six hundred four thousand, twelve".