12618372 has 48 divisors (see below), whose sum is σ = 32401152. Its totient is φ = 3797760.

The previous prime is 12618367. The next prime is 12618373. The reversal of 12618372 is 27381621.

It is not an unprimeable number, because it can be changed into a prime (12618373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6472 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (675024).

Almost surely, 2^12618372 is an apocalyptic number.

12618372 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 12618372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16200576).

12618372 is an abundant number, since it is smaller than the sum of its proper divisors (19782780).

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

12618372 is a wasteful number, since it uses less digits than its factorization.

12618372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1786 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 12618372 is about 3552.2347895374. The cubic root of 12618372 is about 232.8097201926.

Adding to 12618372 its reverse (27381621), we get a palindrome (39999993).

The spelling of 12618372 in words is "twelve million, six hundred eighteen thousand, three hundred seventy-two".