12439494 has 40 divisors (see below), whose sum is σ = 28784448. Its totient is φ = 4011120.

The previous prime is 12439447. The next prime is 12439517. The reversal of 12439494 is 49493421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3784 + ... + 6260.

Almost surely, 2^12439494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12439494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14392224).

12439494 is an abundant number, since it is smaller than the sum of its proper divisors (16344954).

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

12439494 is a wasteful number, since it uses less digits than its factorization.

12439494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522 (or 2513 counting only the distinct ones).

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

The square root of 12439494 is about 3526.9666854111. The cubic root of 12439494 is about 231.7043772322.

The spelling of 12439494 in words is "twelve million, four hundred thirty-nine thousand, four hundred ninety-four".