27213107 has 16 divisors (see below), whose sum is σ = 30067200. Its totient is φ = 24599680.

The previous prime is 27213103. The next prime is 27213139. The reversal of 27213107 is 70131272.

It is not a de Polignac number, because 27213107 - 2² = 27213103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27213103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142382 + ... + 142572.

It is an arithmetic number, because the mean of its divisors is an integer number (1879200).

Almost surely, 2^27213107 is an apocalyptic number.

27213107 is a deficient number, since it is larger than the sum of its proper divisors (2854093).

27213107 is an equidigital number, since it uses as much as digits as its factorization.

27213107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 27213107 is about 5216.6183490840. The cubic root of 27213107 is about 300.7872176728.

Adding to 27213107 its reverse (70131272), we get a palindrome (97344379).

The spelling of 27213107 in words is "twenty-seven million, two hundred thirteen thousand, one hundred seven".