12394944 has 84 divisors (see below), whose sum is σ = 36889944. Its totient is φ = 4126464.

The previous prime is 12394937. The next prime is 12394961. The reversal of 12394944 is 44949321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12394899 and 12394908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15154 + ... + 15950.

It is an arithmetic number, because the mean of its divisors is an integer number (439166).

Almost surely, 2^12394944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12394944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18444972).

12394944 is an abundant number, since it is smaller than the sum of its proper divisors (24495000).

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

12394944 is an frugal number, since it uses more digits than its factorization.

12394944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 802 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 12394944 is about 3520.6453953785. The cubic root of 12394944 is about 231.4274426753.

The spelling of 12394944 in words is "twelve million, three hundred ninety-four thousand, nine hundred forty-four".