12393660 has 48 divisors (see below), whose sum is σ = 35231616. Its totient is φ = 3254592.

The previous prime is 12393659. The next prime is 12393673. The reversal of 12393660 is 6639321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2479 + ... + 5561.

It is an arithmetic number, because the mean of its divisors is an integer number (733992).

Almost surely, 2^12393660 is an apocalyptic number.

12393660 is a gapful number since it is divisible by the number (10) 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 12393660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17615808).

12393660 is an abundant number, since it is smaller than the sum of its proper divisors (22837956).

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

12393660 is a wasteful number, since it uses less digits than its factorization.

12393660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 12393660 is about 3520.4630377267. The cubic root of 12393660 is about 231.4194511615.

The spelling of 12393660 in words is "twelve million, three hundred ninety-three thousand, six hundred sixty".