12152322 has 64 divisors (see below), whose sum is σ = 33250560. Its totient is φ = 3203712.

The previous prime is 12152321. The next prime is 12152323. The reversal of 12152322 is 22325121.

12152322 is a `hidden beast` number, since 121 + 523 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (12152321) and next prime (12152323).

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 = 12152295 and 12152304.

It is not an unprimeable number, because it can be changed into a prime (12152321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3678 + ... + 6150.

It is an arithmetic number, because the mean of its divisors is an integer number (519540).

Almost surely, 2^12152322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12152322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16625280).

12152322 is an abundant number, since it is smaller than the sum of its proper divisors (21098238).

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

12152322 is a wasteful number, since it uses less digits than its factorization.

12152322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504 (or 2498 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 12152322 is about 3486.0180722423. The cubic root of 12152322 is about 229.9074738099.

Adding to 12152322 its reverse (22325121), we get a palindrome (34477443).

The spelling of 12152322 in words is "twelve million, one hundred fifty-two thousand, three hundred twenty-two".