12252251 has 8 divisors (see below), whose sum is σ = 13485744. Its totient is φ = 11038720.

The previous prime is 12252197. The next prime is 12252259. The reversal of 12252251 is 15225221.

It is a happy number.

12252251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12252251 - 2²² = 8057947 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 3686 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (1685718).

Almost surely, 2^12252251 is an apocalyptic number.

12252251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12252251 is a deficient number, since it is larger than the sum of its proper divisors (1233493).

12252251 is a wasteful number, since it uses less digits than its factorization.

12252251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981.

The product of its digits is 400, while the sum is 20.

The square root of 12252251 is about 3500.3215566573. The cubic root of 12252251 is about 230.5359335913.

Adding to 12252251 its reverse (15225221), we get a palindrome (27477472).

The spelling of 12252251 in words is "twelve million, two hundred fifty-two thousand, two hundred fifty-one".