12409794 has 32 divisors (see below), whose sum is σ = 27936000. Its totient is φ = 4082832.

The previous prime is 12409729. The next prime is 12409801. The reversal of 12409794 is 49790421.

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, 2812 + ... + 5720.

It is an arithmetic number, because the mean of its divisors is an integer number (873000).

Almost surely, 2^12409794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12409794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13968000).

12409794 is an abundant number, since it is smaller than the sum of its proper divisors (15526206).

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

12409794 is a wasteful number, since it uses less digits than its factorization.

12409794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999 (or 2993 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12409794 is about 3522.7537523931. The cubic root of 12409794 is about 231.5198278169.

It can be divided in two parts, 12409 and 794, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 12409794 in words is "twelve million, four hundred nine thousand, seven hundred ninety-four".