12272137 has 8 divisors (see below), whose sum is σ = 12552192. Its totient is φ = 11995200.

The previous prime is 12272129. The next prime is 12272159. The reversal of 12272137 is 73127221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12272137 - 2³ = 12272129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12272167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8337 + ... + 9697.

It is an arithmetic number, because the mean of its divisors is an integer number (1569024).

Almost surely, 2^12272137 is an apocalyptic number.

It is an amenable number.

12272137 is a deficient number, since it is larger than the sum of its proper divisors (280055).

12272137 is a wasteful number, since it uses less digits than its factorization.

12272137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its digits is 1176, while the sum is 25.

The square root of 12272137 is about 3503.1610011531. The cubic root of 12272137 is about 230.6605898567.

Adding to 12272137 its reverse (73127221), we get a palindrome (85399358).

It can be divided in two parts, 1227 and 2137, that added together give a square (3364 = 58²).

The spelling of 12272137 in words is "twelve million, two hundred seventy-two thousand, one hundred thirty-seven".