12205023 has 8 divisors (see below), whose sum is σ = 16377648. Its totient is φ = 8084544.

The previous prime is 12205021. The next prime is 12205033. The reversal of 12205023 is 32050221.

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

It is not a de Polignac number, because 12205023 - 2¹ = 12205021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12204993 and 12205011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12486 + ... + 13427.

It is an arithmetic number, because the mean of its divisors is an integer number (2047206).

Almost surely, 2^12205023 is an apocalyptic number.

12205023 is a deficient number, since it is larger than the sum of its proper divisors (4172625).

12205023 is a wasteful number, since it uses less digits than its factorization.

12205023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26073.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12205023 is about 3493.5688056771. The cubic root of 12205023 is about 230.2393412739.

Adding to 12205023 its reverse (32050221), we get a palindrome (44255244).

The spelling of 12205023 in words is "twelve million, two hundred five thousand, twenty-three".