104812786 has 72 divisors (see below), whose sum is σ = 192139020. Its totient is φ = 42771456.

The previous prime is 104812777. The next prime is 104812789. The reversal of 104812786 is 687218401.

It can be written as a sum of positive squares in 18 ways, for example, as 2175625 + 102637161 = 1475^2 + 10131^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (104812789) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2832760 + ... + 2832796.

Almost surely, 2^104812786 is an apocalyptic number.

104812786 is a deficient number, since it is larger than the sum of its proper divisors (87326234).

104812786 is a wasteful number, since it uses less digits than its factorization.

104812786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 104812786 is about 10237.8115825600. The cubic root of 104812786 is about 471.4888444429.

The spelling of 104812786 in words is "one hundred four million, eight hundred twelve thousand, seven hundred eighty-six".