12392540 has 24 divisors (see below), whose sum is σ = 26136432. Its totient is φ = 4935680.

The previous prime is 12392519. The next prime is 12392551. The reversal of 12392540 is 4529321.

12392540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3935 + ... + 6345.

It is an arithmetic number, because the mean of its divisors is an integer number (1089018).

Almost surely, 2^12392540 is an apocalyptic number.

12392540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12392540 is an abundant number, since it is smaller than the sum of its proper divisors (13743892).

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

12392540 is a wasteful number, since it uses less digits than its factorization.

12392540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 2675 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 12392540 is about 3520.3039641486. The cubic root of 12392540 is about 231.4124799199.

The spelling of 12392540 in words is "twelve million, three hundred ninety-two thousand, five hundred forty".