12252397 has 4 divisors (see below), whose sum is σ = 12897280. Its totient is φ = 11607516.

The previous prime is 12252391. The next prime is 12252403. The reversal of 12252397 is 79325221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12252391) and next prime (12252403).

It is a cyclic number.

It is not a de Polignac number, because 12252397 - 2³ = 12252389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252391) 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, 322413 + ... + 322450.

It is an arithmetic number, because the mean of its divisors is an integer number (3224320).

Almost surely, 2^12252397 is an apocalyptic number.

It is an amenable number.

12252397 is a deficient number, since it is larger than the sum of its proper divisors (644883).

12252397 is an equidigital number, since it uses as much as digits as its factorization.

12252397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644882.

The product of its digits is 7560, while the sum is 31.

The square root of 12252397 is about 3500.3424118220. The cubic root of 12252397 is about 230.5368492901.

The spelling of 12252397 in words is "twelve million, two hundred fifty-two thousand, three hundred ninety-seven".