812704141 has 4 divisors (see below), whose sum is σ = 812798784. Its totient is φ = 812609500.

The previous prime is 812704111. The next prime is 812704163. The reversal of 812704141 is 141407218.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 812704141 - 2⁹ = 812703629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812704111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32995 + ... + 52096.

It is an arithmetic number, because the mean of its divisors is an integer number (203199696).

Almost surely, 2^812704141 is an apocalyptic number.

It is an amenable number.

812704141 is a deficient number, since it is larger than the sum of its proper divisors (94643).

812704141 is an equidigital number, since it uses as much as digits as its factorization.

812704141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94642.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 812704141 is about 28507.9662726053. The cubic root of 812704141 is about 933.2059322561.

The spelling of 812704141 in words is "eight hundred twelve million, seven hundred four thousand, one hundred forty-one".