27131206 has 16 divisors (see below), whose sum is σ = 41522544. Its totient is φ = 13293184.

The previous prime is 27131197. The next prime is 27131213. The reversal of 27131206 is 60213172.

It is a super-2 number, since 2×27131206² = 1472204678028872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22146 + ... + 23338.

It is an arithmetic number, because the mean of its divisors is an integer number (2595159).

Almost surely, 2^27131206 is an apocalyptic number.

27131206 is a deficient number, since it is larger than the sum of its proper divisors (14391338).

27131206 is a wasteful number, since it uses less digits than its factorization.

27131206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 27131206 is about 5208.7624249912. The cubic root of 27131206 is about 300.4851631144.

Adding to 27131206 its reverse (60213172), we get a palindrome (87344378).

The spelling of 27131206 in words is "twenty-seven million, one hundred thirty-one thousand, two hundred six".