12149272 has 16 divisors (see below), whose sum is σ = 23515200. Its totient is φ = 5878560.

The previous prime is 12149257. The next prime is 12149273. The reversal of 12149272 is 27294121.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 12149272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24247 + ... + 24742.

It is an arithmetic number, because the mean of its divisors is an integer number (1469700).

Almost surely, 2^12149272 is an apocalyptic number.

It is an amenable number.

12149272 is a deficient number, since it is larger than the sum of its proper divisors (11365928).

12149272 is a wasteful number, since it uses less digits than its factorization.

12149272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49026 (or 49022 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 12149272 is about 3485.5805829159. The cubic root of 12149272 is about 229.8882380768. Note that the first 3 decimals are identical.

It can be divided in two parts, 12149 and 272, that added together give a palindrome (12421).

The spelling of 12149272 in words is "twelve million, one hundred forty-nine thousand, two hundred seventy-two".