12642733 has 8 divisors (see below), whose sum is σ = 13341600. Its totient is φ = 11947248.

The previous prime is 12642703. The next prime is 12642743. The reversal of 12642733 is 33724621.

12642733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12642733 - 2⁵ = 12642701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642703) 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, 11898 + ... + 12916.

It is an arithmetic number, because the mean of its divisors is an integer number (1667700).

Almost surely, 2^12642733 is an apocalyptic number.

It is an amenable number.

12642733 is a deficient number, since it is larger than the sum of its proper divisors (698867).

12642733 is a wasteful number, since it uses less digits than its factorization.

12642733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691.

The product of its digits is 6048, while the sum is 28.

The square root of 12642733 is about 3555.6621043063. The cubic root of 12642733 is about 232.9594445185.

The spelling of 12642733 in words is "twelve million, six hundred forty-two thousand, seven hundred thirty-three".