12562243 has 4 divisors (see below), whose sum is σ = 12739248. Its totient is φ = 12385240.

The previous prime is 12562237. The next prime is 12562283. The reversal of 12562243 is 34226521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12562243 - 2¹³ = 12554051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12562283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88396 + ... + 88537.

It is an arithmetic number, because the mean of its divisors is an integer number (3184812).

Almost surely, 2^12562243 is an apocalyptic number.

12562243 is a deficient number, since it is larger than the sum of its proper divisors (177005).

12562243 is an equidigital number, since it uses as much as digits as its factorization.

12562243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177004.

The product of its digits is 2880, while the sum is 25.

The square root of 12562243 is about 3544.3254647394. The cubic root of 12562243 is about 232.4640126209.

Adding to 12562243 its reverse (34226521), we get a palindrome (46788764).

The spelling of 12562243 in words is "twelve million, five hundred sixty-two thousand, two hundred forty-three".