27012993 has 32 divisors (see below), whose sum is σ = 42510336. Its totient is φ = 14940288.

The previous prime is 27012959. The next prime is 27013031. The reversal of 27012993 is 39921072.

It is not a de Polignac number, because 27012993 - 2¹⁰ = 27011969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27012913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102580 + ... + 102842.

It is an arithmetic number, because the mean of its divisors is an integer number (1328448).

Almost surely, 2^27012993 is an apocalyptic number.

It is an amenable number.

27012993 is a deficient number, since it is larger than the sum of its proper divisors (15497343).

27012993 is a wasteful number, since it uses less digits than its factorization.

27012993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 27012993 is about 5197.4025243385. The cubic root of 27012993 is about 300.0481145051.

The spelling of 27012993 in words is "twenty-seven million, twelve thousand, nine hundred ninety-three".