12706146746 has 4 divisors (see below), whose sum is σ = 19059220122. Its totient is φ = 6353073372.

The previous prime is 12706146689. The next prime is 12706146757. The reversal of 12706146746 is 64764160721.

12706146746 is digitally balanced in base 5, 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., 12695655625 + 10491121 = 112675^2 + 3239^2 .

It is a super-2 number, since 2×12706146746² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12706146697 and 12706146706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3176536685 + ... + 3176536688.

Almost surely, 2^12706146746 is an apocalyptic number.

12706146746 is a deficient number, since it is larger than the sum of its proper divisors (6353073376).

12706146746 is an equidigital number, since it uses as much as digits as its factorization.

12706146746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6353073375.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 12706146746 in words is "twelve billion, seven hundred six million, one hundred forty-six thousand, seven hundred forty-six".