12224013 has 8 divisors (see below), whose sum is σ = 16824576. Its totient is φ = 7886400.

The previous prime is 12223987. The next prime is 12224021. The reversal of 12224013 is 31042221.

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

It is not a de Polignac number, because 12224013 - 2⁹ = 12223501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12223983 and 12224001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65628 + ... + 65813.

It is an arithmetic number, because the mean of its divisors is an integer number (2103072).

Almost surely, 2^12224013 is an apocalyptic number.

It is an amenable number.

12224013 is a deficient number, since it is larger than the sum of its proper divisors (4600563).

12224013 is a wasteful number, since it uses less digits than its factorization.

12224013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131475.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12224013 is about 3496.2856004623. The cubic root of 12224013 is about 230.3586904804.

Adding to 12224013 its reverse (31042221), we get a palindrome (43266234).

The spelling of 12224013 in words is "twelve million, two hundred twenty-four thousand, thirteen".