12642032 has 20 divisors (see below), whose sum is σ = 26378520. Its totient is φ = 5834688.

The previous prime is 12642031. The next prime is 12642041. The reversal of 12642032 is 23024621.

It is a junction number, because it is equal to n+sod(n) for n = 12641995 and 12642013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642031) 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, 30182 + ... + 30597.

It is an arithmetic number, because the mean of its divisors is an integer number (1318926).

Almost surely, 2^12642032 is an apocalyptic number.

It is an amenable number.

12642032 is an abundant number, since it is smaller than the sum of its proper divisors (13736488).

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

12642032 is a wasteful number, since it uses less digits than its factorization.

12642032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60800 (or 60794 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 12642032 is about 3555.5635277688. The cubic root of 12642032 is about 232.9551388147.

Adding to 12642032 its reverse (23024621), we get a palindrome (35666653).

The spelling of 12642032 in words is "twelve million, six hundred forty-two thousand, thirty-two".