12315930 has 32 divisors (see below), whose sum is σ = 32246208. Its totient is φ = 2985600.

The previous prime is 12315929. The next prime is 12315943. The reversal of 12315930 is 3951321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12315930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18331 + ... + 18990.

It is an arithmetic number, because the mean of its divisors is an integer number (1007694).

Almost surely, 2^12315930 is an apocalyptic number.

12315930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12315930 is an abundant number, since it is smaller than the sum of its proper divisors (19930278).

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

12315930 is a wasteful number, since it uses less digits than its factorization.

12315930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37342.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 12315930 is about 3509.4059326330. The cubic root of 12315930 is about 230.9346341542.

The spelling of 12315930 in words is "twelve million, three hundred fifteen thousand, nine hundred thirty".