12642441 has 24 divisors (see below), whose sum is σ = 20766240. Its totient is φ = 6797952.

The previous prime is 12642437. The next prime is 12642457. The reversal of 12642441 is 14424621.

It is a happy number.

It is not a de Polignac number, because 12642441 - 2² = 12642437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12642491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (865260).

Almost surely, 2^12642441 is an apocalyptic number.

It is an amenable number.

12642441 is a deficient number, since it is larger than the sum of its proper divisors (8123799).

12642441 is a wasteful number, since it uses less digits than its factorization.

12642441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093 (or 5086 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 12642441 is about 3555.6210427997. The cubic root of 12642441 is about 232.9576510064.

The spelling of 12642441 in words is "twelve million, six hundred forty-two thousand, four hundred forty-one".