12947926 has 4 divisors (see below), whose sum is σ = 19421892. Its totient is φ = 6473962.

The previous prime is 12947903. The next prime is 12947927. The reversal of 12947926 is 62974921.

12947926 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 Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12947927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236980 + ... + 3236983.

It is an arithmetic number, because the mean of its divisors is an integer number (4855473).

Almost surely, 2^12947926 is an apocalyptic number.

12947926 is a deficient number, since it is larger than the sum of its proper divisors (6473966).

12947926 is an equidigital number, since it uses as much as digits as its factorization.

12947926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473965.

The product of its digits is 54432, while the sum is 40.

The square root of 12947926 is about 3598.3226647981. The cubic root of 12947926 is about 234.8190911887.

The spelling of 12947926 in words is "twelve million, nine hundred forty-seven thousand, nine hundred twenty-six".