12724374 has 32 divisors (see below), whose sum is σ = 28153440. Its totient is φ = 3808512.

The previous prime is 12724351. The next prime is 12724421. The reversal of 12724374 is 47342721.

It is a congruent number.

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, 682 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (879795).

Almost surely, 2^12724374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12724374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14076720).

12724374 is an abundant number, since it is smaller than the sum of its proper divisors (15429066).

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

12724374 is a wasteful number, since it uses less digits than its factorization.

12724374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464.

The product of its digits is 9408, while the sum is 30.

The square root of 12724374 is about 3567.1240516696. The cubic root of 12724374 is about 233.4598175914.

The spelling of 12724374 in words is "twelve million, seven hundred twenty-four thousand, three hundred seventy-four".