12393930 has 32 divisors (see below), whose sum is σ = 29988864. Its totient is φ = 3278016.

The previous prime is 12393923. The next prime is 12393937. The reversal of 12393930 is 3939321.

It is an interprime number because it is at equal distance from previous prime (12393923) and next prime (12393937).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12393937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (937152).

Almost surely, 2^12393930 is an apocalyptic number.

12393930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12393930 is an abundant number, since it is smaller than the sum of its proper divisors (17594934).

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

12393930 is a wasteful number, since it uses less digits than its factorization.

12393930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 12393930 is about 3520.5013847462. The cubic root of 12393930 is about 231.4211316658.

The spelling of 12393930 in words is "twelve million, three hundred ninety-three thousand, nine hundred thirty".