12442332 has 24 divisors (see below), whose sum is σ = 33179776. Its totient is φ = 3554928.

The previous prime is 12442327. The next prime is 12442337. The reversal of 12442332 is 23324421.

It is an interprime number because it is at equal distance from previous prime (12442327) and next prime (12442337).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12442299 and 12442308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73978 + ... + 74145.

Almost surely, 2^12442332 is an apocalyptic number.

12442332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12442332 is an abundant number, since it is smaller than the sum of its proper divisors (20737444).

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

12442332 is a wasteful number, since it uses less digits than its factorization.

12442332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148137 (or 148135 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 12442332 is about 3527.3689911888. The cubic root of 12442332 is about 231.7219965721.

Adding to 12442332 its reverse (23324421), we get a palindrome (35766753).

The spelling of 12442332 in words is "twelve million, four hundred forty-two thousand, three hundred thirty-two".