12770006602 has 4 divisors (see below), whose sum is σ = 19155009906. Its totient is φ = 6385003300.

The previous prime is 12770006597. The next prime is 12770006611. The reversal of 12770006602 is 20660007721.

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., 10039839601 + 2730167001 = 100199^2 + 52251^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3192501649 + ... + 3192501652.

Almost surely, 2^12770006602 is an apocalyptic number.

12770006602 is a deficient number, since it is larger than the sum of its proper divisors (6385003304).

12770006602 is an equidigital number, since it uses as much as digits as its factorization.

12770006602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385003303.

The product of its (nonzero) digits is 7056, while the sum is 31.

The spelling of 12770006602 in words is "twelve billion, seven hundred seventy million, six thousand, six hundred two".