27318412 has 18 divisors (see below), whose sum is σ = 52549364. Its totient is φ = 12417240.

The previous prime is 27318397. The next prime is 27318497. The reversal of 27318412 is 21481372.

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, 27738 + ... + 28705.

Almost surely, 2^27318412 is an apocalyptic number.

27318412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27318412 is a deficient number, since it is larger than the sum of its proper divisors (25230952).

27318412 is a wasteful number, since it uses less digits than its factorization.

27318412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56469 (or 56456 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 27318412 is about 5226.7018281130. The cubic root of 27318412 is about 301.1746979822.

Adding to 27318412 its reverse (21481372), we get a palindrome (48799784).

It can be divided in two parts, 27318 and 412, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 27318412 in words is "twenty-seven million, three hundred eighteen thousand, four hundred twelve".