12223013 has 4 divisors (see below), whose sum is σ = 13334208. Its totient is φ = 11111820.

The previous prime is 12223009. The next prime is 12223031. The reversal of 12223013 is 31032221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12223013 - 2² = 12223009 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 (12223313) 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, 555581 + ... + 555602.

It is an arithmetic number, because the mean of its divisors is an integer number (3333552).

Almost surely, 2^12223013 is an apocalyptic number.

It is an amenable number.

12223013 is a deficient number, since it is larger than the sum of its proper divisors (1111195).

12223013 is a wasteful number, since it uses less digits than its factorization.

12223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111194.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12223013 is about 3496.1425886254. The cubic root of 12223013 is about 230.3524087197.

Adding to 12223013 its reverse (31032221), we get a palindrome (43255234).

The spelling of 12223013 in words is "twelve million, two hundred twenty-three thousand, thirteen".