12666703 has 4 divisors (see below), whose sum is σ = 14476240. Its totient is φ = 10857168.

The previous prime is 12666701. The next prime is 12666727. The reversal of 12666703 is 30766621.

12666703 is digitally balanced in base 2 and base 8, because in such bases 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 not a de Polignac number, because 12666703 - 2¹ = 12666701 is a prime.

It is a Duffinian number.

12666703 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12666701) 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, 904758 + ... + 904771.

It is an arithmetic number, because the mean of its divisors is an integer number (3619060).

Almost surely, 2^12666703 is an apocalyptic number.

12666703 is a deficient number, since it is larger than the sum of its proper divisors (1809537).

12666703 is an equidigital number, since it uses as much as digits as its factorization.

12666703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809536.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 12666703 is about 3559.0311883994. The cubic root of 12666703 is about 233.1065781215.

The spelling of 12666703 in words is "twelve million, six hundred sixty-six thousand, seven hundred three".