12423706 has 4 divisors (see below), whose sum is σ = 18635562. Its totient is φ = 6211852.

The previous prime is 12423673. The next prime is 12423713. The reversal of 12423706 is 60732421.

12423706 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., 7338681 + 5085025 = 2709^2 + 2255^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105925 + ... + 3105928.

Almost surely, 2^12423706 is an apocalyptic number.

12423706 is a deficient number, since it is larger than the sum of its proper divisors (6211856).

12423706 is an equidigital number, since it uses as much as digits as its factorization.

12423706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211855.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 12423706 is about 3524.7277909081. The cubic root of 12423706 is about 231.6063106114.

The spelling of 12423706 in words is "twelve million, four hundred twenty-three thousand, seven hundred six".