12252390 has 16 divisors (see below), whose sum is σ = 29405808. Its totient is φ = 3267296.

The previous prime is 12252389. The next prime is 12252391. The reversal of 12252390 is 9325221.

It is an interprime number because it is at equal distance from previous prime (12252389) and next prime (12252391).

It is a self number, because there is not a number n which added to its sum of digits gives 12252390.

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 7 ways as a sum of consecutive naturals, for example, 204177 + ... + 204236.

It is an arithmetic number, because the mean of its divisors is an integer number (1837863).

Almost surely, 2^12252390 is an apocalyptic number.

12252390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12252390 is an abundant number, since it is smaller than the sum of its proper divisors (17153418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12252390 is a wasteful number, since it uses less digits than its factorization.

12252390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408423.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12252390 is about 3500.3414119197. The cubic root of 12252390 is about 230.5368053869.

The spelling of 12252390 in words is "twelve million, two hundred fifty-two thousand, three hundred ninety".