12232620 has 84 divisors (see below), whose sum is σ = 38561040. Its totient is φ = 3258144.

The previous prime is 12232613. The next prime is 12232621. The reversal of 12232620 is 2623221.

12232620 is a `hidden beast` number, since 12 + 2 + 32 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12232593 and 12232602.

It is not an unprimeable number, because it can be changed into a prime (12232621) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14161 + ... + 14999.

It is an arithmetic number, because the mean of its divisors is an integer number (459060).

Almost surely, 2^12232620 is an apocalyptic number.

12232620 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 12232620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19280520).

12232620 is an abundant number, since it is smaller than the sum of its proper divisors (26328420).

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

12232620 is an equidigital number, since it uses as much as digits as its factorization.

12232620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12232620 is about 3497.5162615776. The cubic root of 12232620 is about 230.4127434358.

Adding to 12232620 its reverse (2623221), we get a palindrome (14855841).

The spelling of 12232620 in words is "twelve million, two hundred thirty-two thousand, six hundred twenty".