812708104 has 16 divisors (see below), whose sum is σ = 1641045420. Its totient is φ = 375096000.

The previous prime is 812708101. The next prime is 812708107. The reversal of 812708104 is 401807218.

It is an interprime number because it is at equal distance from previous prime (812708101) and next prime (812708107).

It can be written as a sum of positive squares in 2 ways, for example, as 804856900 + 7851204 = 28370^2 + 2802^2 .

It is not an unprimeable number, because it can be changed into a prime (812708101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907147 + ... + 3907354.

Almost surely, 2^812708104 is an apocalyptic number.

It is an amenable number.

812708104 is an abundant number, since it is smaller than the sum of its proper divisors (828337316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812708104 is a wasteful number, since it uses less digits than its factorization.

812708104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814520 (or 7814516 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 812708104 is about 28508.0357794079. The cubic root of 812708104 is about 933.2074491218.

The spelling of 812708104 in words is "eight hundred twelve million, seven hundred eight thousand, one hundred four".