12941638 has 24 divisors (see below), whose sum is σ = 20700576. Its totient is φ = 6060960.

The previous prime is 12941633. The next prime is 12941639. The reversal of 12941638 is 83614921.

12941638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12941633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212128 + ... + 212188.

It is an arithmetic number, because the mean of its divisors is an integer number (862524).

Almost surely, 2^12941638 is an apocalyptic number.

12941638 is a deficient number, since it is larger than the sum of its proper divisors (7758938).

12941638 is an equidigital number, since it uses as much as digits as its factorization.

12941638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 147 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 12941638 is about 3597.4488182600. The cubic root of 12941638 is about 234.7810727052.

The spelling of 12941638 in words is "twelve million, nine hundred forty-one thousand, six hundred thirty-eight".