104012393 has 2 divisors, whose sum is σ = 104012394. Its totient is φ = 104012392.

The previous prime is 104012369. The next prime is 104012401. The reversal of 104012393 is 393210401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86806489 + 17205904 = 9317^2 + 4148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104012393 is a prime.

It is not a weakly prime, because it can be changed into another prime (104012353) 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 as a sum of consecutive naturals, namely, 52006196 + 52006197.

It is an arithmetic number, because the mean of its divisors is an integer number (52006197).

Almost surely, 2^104012393 is an apocalyptic number.

It is an amenable number.

104012393 is a deficient number, since it is larger than the sum of its proper divisors (1).

104012393 is an equidigital number, since it uses as much as digits as its factorization.

104012393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 104012393 is about 10198.6466259009. The cubic root of 104012393 is about 470.2856163476.

Adding to 104012393 its reverse (393210401), we get a palindrome (497222794).

The spelling of 104012393 in words is "one hundred four million, twelve thousand, three hundred ninety-three".