12645662 has 4 divisors (see below), whose sum is σ = 18968496. Its totient is φ = 6322830.

The previous prime is 12645649. The next prime is 12645667. The reversal of 12645662 is 26654621.

12645662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3161414 + ... + 3161417.

It is an arithmetic number, because the mean of its divisors is an integer number (4742124).

Almost surely, 2^12645662 is an apocalyptic number.

12645662 is a deficient number, since it is larger than the sum of its proper divisors (6322834).

12645662 is an equidigital number, since it uses as much as digits as its factorization.

12645662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322833.

The product of its digits is 17280, while the sum is 32.

The square root of 12645662 is about 3556.0739587360. The cubic root of 12645662 is about 232.9774333907.

The spelling of 12645662 in words is "twelve million, six hundred forty-five thousand, six hundred sixty-two".