12237912 has 64 divisors (see below), whose sum is σ = 34668000. Its totient is φ = 3998592.

The previous prime is 12237899. The next prime is 12237917. The reversal of 12237912 is 21973221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12237917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10914 + ... + 11982.

Almost surely, 2^12237912 is an apocalyptic number.

12237912 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 12237912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17334000).

12237912 is an abundant number, since it is smaller than the sum of its proper divisors (22430088).

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

12237912 is a wasteful number, since it uses less digits than its factorization.

12237912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1127 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 12237912 is about 3498.2727166417. The cubic root of 12237912 is about 230.4459652216.

It can be divided in two parts, 122 and 37912, that multiplied together give a palindrome (4625264).

The spelling of 12237912 in words is "twelve million, two hundred thirty-seven thousand, nine hundred twelve".