812418007 has 4 divisors (see below), whose sum is σ = 813625840. Its totient is φ = 811210176.

The previous prime is 812417923. The next prime is 812418031. The reversal of 812418007 is 700814218.

812418007 is digitally balanced in base 2, 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-812418007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 812418007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812418037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602907 + ... + 604252.

It is an arithmetic number, because the mean of its divisors is an integer number (203406460).

Almost surely, 2^812418007 is an apocalyptic number.

812418007 is a deficient number, since it is larger than the sum of its proper divisors (1207833).

812418007 is a wasteful number, since it uses less digits than its factorization.

812418007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207832.

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

The square root of 812418007 is about 28502.9473388280. The cubic root of 812418007 is about 933.0963994523.

The spelling of 812418007 in words is "eight hundred twelve million, four hundred eighteen thousand, seven".