12394340 has 48 divisors (see below), whose sum is σ = 29955072. Its totient is φ = 4219776.

The previous prime is 12394331. The next prime is 12394367. The reversal of 12394340 is 4349321.

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, 31022 + ... + 31418.

It is an arithmetic number, because the mean of its divisors is an integer number (624064).

Almost surely, 2^12394340 is an apocalyptic number.

12394340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12394340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14977536).

12394340 is an abundant number, since it is smaller than the sum of its proper divisors (17560732).

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

12394340 is a wasteful number, since it uses less digits than its factorization.

12394340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 12394340 is about 3520.5596146067. The cubic root of 12394340 is about 231.4236834961.

The spelling of 12394340 in words is "twelve million, three hundred ninety-four thousand, three hundred forty".