12820093 has 16 divisors (see below), whose sum is σ = 15474816. Its totient is φ = 10463040.

The previous prime is 12820061. The next prime is 12820099. The reversal of 12820093 is 39002821.

It is a cyclic number.

It is not a de Polignac number, because 12820093 - 2⁵ = 12820061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12820099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4080 + ... + 6502.

It is an arithmetic number, because the mean of its divisors is an integer number (967176).

Almost surely, 2^12820093 is an apocalyptic number.

12820093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12820093 is a deficient number, since it is larger than the sum of its proper divisors (2654723).

12820093 is a wasteful number, since it uses less digits than its factorization.

12820093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12820093 is about 3580.5157449731. The cubic root of 12820093 is about 234.0437556669.

The spelling of 12820093 in words is "twelve million, eight hundred twenty thousand, ninety-three".