12252249 has 16 divisors (see below), whose sum is σ = 18325440. Its totient is φ = 8089920.

The previous prime is 12252197. The next prime is 12252259. The reversal of 12252249 is 94225221.

It is a happy number.

It is not a de Polignac number, because 12252249 - 2⁹ = 12251737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12252259) 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, 769 + ... + 5009.

It is an arithmetic number, because the mean of its divisors is an integer number (1145340).

Almost surely, 2^12252249 is an apocalyptic number.

It is an amenable number.

12252249 is a deficient number, since it is larger than the sum of its proper divisors (6073191).

12252249 is a wasteful number, since it uses less digits than its factorization.

12252249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357 (or 4351 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12252249 is about 3500.3212709693. The cubic root of 12252249 is about 230.5359210475.

The spelling of 12252249 in words is "twelve million, two hundred fifty-two thousand, two hundred forty-nine".