104807813 has 8 divisors (see below), whose sum is σ = 116995296. Its totient is φ = 93063600.

The previous prime is 104807809. The next prime is 104807851. The reversal of 104807813 is 318708401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104807813 - 2² = 104807809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104807813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104807863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110318 + ... + 111263.

It is an arithmetic number, because the mean of its divisors is an integer number (14624412).

Almost surely, 2^104807813 is an apocalyptic number.

It is an amenable number.

104807813 is a deficient number, since it is larger than the sum of its proper divisors (12187483).

104807813 is a wasteful number, since it uses less digits than its factorization.

104807813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221635.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 104807813 is about 10237.5687055082. The cubic root of 104807813 is about 471.4813874929.

The spelling of 104807813 in words is "one hundred four million, eight hundred seven thousand, eight hundred thirteen".