12303642 has 16 divisors (see below), whose sum is σ = 26500320. Its totient is φ = 3785712.

The previous prime is 12303637. The next prime is 12303653. The reversal of 12303642 is 24630321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78792 + ... + 78947.

It is an arithmetic number, because the mean of its divisors is an integer number (1656270).

Almost surely, 2^12303642 is an apocalyptic number.

12303642 is an abundant number, since it is smaller than the sum of its proper divisors (14196678).

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

12303642 is a wasteful number, since it uses less digits than its factorization.

12303642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157757.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 12303642 is about 3507.6547720664. The cubic root of 12303642 is about 230.8578049562.

Adding to 12303642 its reverse (24630321), we get a palindrome (36933963).

The spelling of 12303642 in words is "twelve million, three hundred three thousand, six hundred forty-two".