12764645 has 8 divisors (see below), whose sum is σ = 15410304. Its totient is φ = 10149904.

The previous prime is 12764623. The next prime is 12764651. The reversal of 12764645 is 54646721.

12764645 is digitally balanced in base 2 and base 3, because in such bases 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 12764645 - 2⁶ = 12764581 is a prime.

It is a Duffinian number.

It is a congruent 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, 6809 + ... + 8478.

It is an arithmetic number, because the mean of its divisors is an integer number (1926288).

Almost surely, 2^12764645 is an apocalyptic number.

It is an amenable number.

12764645 is a deficient number, since it is larger than the sum of its proper divisors (2645659).

12764645 is a wasteful number, since it uses less digits than its factorization.

12764645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15459.

The product of its digits is 40320, while the sum is 35.

The square root of 12764645 is about 3572.7643359169. The cubic root of 12764645 is about 233.7058482768.

The spelling of 12764645 in words is "twelve million, seven hundred sixty-four thousand, six hundred forty-five".