12968506 has 4 divisors (see below), whose sum is σ = 19452762. Its totient is φ = 6484252.

The previous prime is 12968503. The next prime is 12968519. The reversal of 12968506 is 60586921.

12968506 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 can be written as a sum of positive squares in only one way, i.e., 12852225 + 116281 = 3585^2 + 341^2 .

It is not an unprimeable number, because it can be changed into a prime (12968503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3242125 + ... + 3242128.

Almost surely, 2^12968506 is an apocalyptic number.

12968506 is a deficient number, since it is larger than the sum of its proper divisors (6484256).

12968506 is an equidigital number, since it uses as much as digits as its factorization.

12968506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484255.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 12968506 is about 3601.1811951081. The cubic root of 12968506 is about 234.9434359109.

It can be divided in two parts, 129 and 68506, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 12968506 in words is "twelve million, nine hundred sixty-eight thousand, five hundred six".