12664038 has 8 divisors (see below), whose sum is σ = 25328088. Its totient is φ = 4221344.

The previous prime is 12664037. The next prime is 12664049. The reversal of 12664038 is 83046621.

12664038 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.

12664038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12663996 and 12664014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12664033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055331 + ... + 1055342.

It is an arithmetic number, because the mean of its divisors is an integer number (3166011).

Almost surely, 2^12664038 is an apocalyptic number.

12664038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12664038 is a wasteful number, since it uses less digits than its factorization.

12664038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110678.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 12664038 is about 3558.6567690633. The cubic root of 12664038 is about 233.0902288894.

The spelling of 12664038 in words is "twelve million, six hundred sixty-four thousand, thirty-eight".