12417726806 has 16 divisors (see below), whose sum is σ = 20255308416. Its totient is φ = 5685699456.

The previous prime is 12417726803. The next prime is 12417726809. The reversal of 12417726806 is 60862771421.

It is an interprime number because it is at equal distance from previous prime (12417726803) and next prime (12417726809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12417726803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4934246 + ... + 4936761.

It is an arithmetic number, because the mean of its divisors is an integer number (1265956776).

Almost surely, 2^12417726806 is an apocalyptic number.

12417726806 is a deficient number, since it is larger than the sum of its proper divisors (7837581610).

12417726806 is a wasteful number, since it uses less digits than its factorization.

12417726806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9871063.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 12417726806 in words is "twelve billion, four hundred seventeen million, seven hundred twenty-six thousand, eight hundred six".