12936392 has 48 divisors (see below), whose sum is σ = 28731420. Its totient is φ = 5443200.

The previous prime is 12936317. The next prime is 12936401. The reversal of 12936392 is 29363921.

12936392 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 11383876 + 1552516 = 3374^2 + 1246^2 .

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, 23642 + ... + 24182.

Almost surely, 2^12936392 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 12936392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14365710).

12936392 is an abundant number, since it is smaller than the sum of its proper divisors (15795028).

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

12936392 is a wasteful number, since it uses less digits than its factorization.

12936392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 611 counting only the distinct ones).

The product of its digits is 17496, while the sum is 35.

The square root of 12936392 is about 3596.7196165395. The cubic root of 12936392 is about 234.7493449346.

The spelling of 12936392 in words is "twelve million, nine hundred thirty-six thousand, three hundred ninety-two".