12393612 has 144 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 3018240.

The previous prime is 12393611. The next prime is 12393617. The reversal of 12393612 is 21639321.

12393612 is a `hidden beast` number, since 12 + 39 + 3 + 612 = 666.

12393612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12393611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46993 + ... + 47255.

It is an arithmetic number, because the mean of its divisors is an integer number (288288).

Almost surely, 2^12393612 is an apocalyptic number.

12393612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12393612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20756736).

12393612 is an abundant number, since it is smaller than the sum of its proper divisors (29119860).

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

12393612 is a wasteful number, since it uses less digits than its factorization.

12393612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 303 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 12393612 is about 3520.4562204351. The cubic root of 12393612 is about 231.4191524026.

It can be divided in two parts, 12393 and 612, that multiplied together give a square (7584516 = 2754²).

The spelling of 12393612 in words is "twelve million, three hundred ninety-three thousand, six hundred twelve".