12220093 has 8 divisors (see below), whose sum is σ = 12993912. Its totient is φ = 11452416.

The previous prime is 12220081. The next prime is 12220111. The reversal of 12220093 is 39002221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8602489 + 3617604 = 2933^2 + 1902^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220003) 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, 2971 + ... + 5767.

It is an arithmetic number, because the mean of its divisors is an integer number (1624239).

Almost surely, 2^12220093 is an apocalyptic number.

It is an amenable number.

12220093 is a deficient number, since it is larger than the sum of its proper divisors (773819).

12220093 is a wasteful number, since it uses less digits than its factorization.

12220093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 12220093 is about 3495.7249605768. The cubic root of 12220093 is about 230.3340640174.

The spelling of 12220093 in words is "twelve million, two hundred twenty thousand, ninety-three".