27012159 has 6 divisors (see below), whose sum is σ = 39017576. Its totient is φ = 18008100.

The previous prime is 27012157. The next prime is 27012179. The reversal of 27012159 is 95121072.

It is not a de Polignac number, because 27012159 - 2¹ = 27012157 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 (27012151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1500667 + ... + 1500684.

Almost surely, 2^27012159 is an apocalyptic number.

27012159 is a deficient number, since it is larger than the sum of its proper divisors (12005417).

27012159 is a wasteful number, since it uses less digits than its factorization.

27012159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001357 (or 3001354 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 27012159 is about 5197.3222913343. The cubic root of 27012159 is about 300.0450265750.

The spelling of 27012159 in words is "twenty-seven million, twelve thousand, one hundred fifty-nine".