12920093 has 2 divisors, whose sum is σ = 12920094. Its totient is φ = 12920092.

The previous prime is 12920071. The next prime is 12920177. The reversal of 12920093 is 39002921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9467929 + 3452164 = 3077^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 12920093 - 2¹⁶ = 12854557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12920003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6460046 + 6460047.

It is an arithmetic number, because the mean of its divisors is an integer number (6460047).

Almost surely, 2^12920093 is an apocalyptic number.

It is an amenable number.

12920093 is a deficient number, since it is larger than the sum of its proper divisors (1).

12920093 is an equidigital number, since it uses as much as digits as its factorization.

12920093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 12920093 is about 3594.4530877451. The cubic root of 12920093 is about 234.6507139404.

The spelling of 12920093 in words is "twelve million, nine hundred twenty thousand, ninety-three".