12257830 has 16 divisors (see below), whose sum is σ = 23761584. Its totient is φ = 4525920.

The previous prime is 12257821. The next prime is 12257837. The reversal of 12257830 is 3875221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12257837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47016 + ... + 47275.

It is an arithmetic number, because the mean of its divisors is an integer number (1485099).

Almost surely, 2^12257830 is an apocalyptic number.

12257830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12257830 is a deficient number, since it is larger than the sum of its proper divisors (11503754).

12257830 is a wasteful number, since it uses less digits than its factorization.

12257830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94311.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 12257830 is about 3501.1183927425. The cubic root of 12257830 is about 230.5709194022.

The spelling of 12257830 in words is "twelve million, two hundred fifty-seven thousand, eight hundred thirty".