12312830 has 8 divisors (see below), whose sum is σ = 22163112. Its totient is φ = 4925128.

The previous prime is 12312829. The next prime is 12312847. The reversal of 12312830 is 3821321.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615632 + ... + 615651.

It is an arithmetic number, because the mean of its divisors is an integer number (2770389).

Almost surely, 2^12312830 is an apocalyptic number.

12312830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312830 is a deficient number, since it is larger than the sum of its proper divisors (9850282).

12312830 is a wasteful number, since it uses less digits than its factorization.

12312830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231290.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12312830 is about 3508.9642346425. The cubic root of 12312830 is about 230.9152566098.

The spelling of 12312830 in words is "twelve million, three hundred twelve thousand, eight hundred thirty".