12239652 has 12 divisors (see below), whose sum is σ = 28559216. Its totient is φ = 4079880.

The previous prime is 12239651. The next prime is 12239659. The reversal of 12239652 is 25693221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12239652² = 299618162162208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12239651) 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 3 ways as a sum of consecutive naturals, for example, 509974 + ... + 509997.

Almost surely, 2^12239652 is an apocalyptic number.

12239652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12239652 is an abundant number, since it is smaller than the sum of its proper divisors (16319564).

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

12239652 is a wasteful number, since it uses less digits than its factorization.

12239652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019978 (or 1019976 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 12239652 is about 3498.5214019640. The cubic root of 12239652 is about 230.4568863923.

The spelling of 12239652 in words is "twelve million, two hundred thirty-nine thousand, six hundred fifty-two".