812267113 has 16 divisors (see below), whose sum is σ = 971195904. Its totient is φ = 664784640.

The previous prime is 812267111. The next prime is 812267117. The reversal of 812267113 is 311762218.

It is a cyclic number.

It is not a de Polignac number, because 812267113 - 2¹ = 812267111 is a prime.

It is a super-2 number, since 2×812267113² = 1319555725722709538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812267111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16620 + ... + 43597.

It is an arithmetic number, because the mean of its divisors is an integer number (60699744).

Almost surely, 2^812267113 is an apocalyptic number.

It is an amenable number.

812267113 is a deficient number, since it is larger than the sum of its proper divisors (158928791).

812267113 is a wasteful number, since it uses less digits than its factorization.

812267113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60312.

The product of its digits is 4032, while the sum is 31.

The square root of 812267113 is about 28500.3002264888. The cubic root of 812267113 is about 933.0386264976.

The spelling of 812267113 in words is "eight hundred twelve million, two hundred sixty-seven thousand, one hundred thirteen".