12257630 has 32 divisors (see below), whose sum is σ = 27509760. Its totient is φ = 3820320.

The previous prime is 12257627. The next prime is 12257677. The reversal of 12257630 is 3675221.

It is a self number, because there is not a number n which added to its sum of digits gives 12257630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7190 + ... + 8729.

It is an arithmetic number, because the mean of its divisors is an integer number (859680).

Almost surely, 2^12257630 is an apocalyptic number.

12257630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12257630 is an abundant number, since it is smaller than the sum of its proper divisors (15252130).

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

12257630 is a wasteful number, since it uses less digits than its factorization.

12257630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15944.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 12257630 is about 3501.0898303243. The cubic root of 12257630 is about 230.5696653892.

The spelling of 12257630 in words is "twelve million, two hundred fifty-seven thousand, six hundred thirty".