13223012 has 24 divisors (see below), whose sum is σ = 26574240. Its totient is φ = 5693760.

The previous prime is 13223003. The next prime is 13223029. The reversal of 13223012 is 21032231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7073 + ... + 8744.

It is an arithmetic number, because the mean of its divisors is an integer number (1107260).

Almost surely, 2^13223012 is an apocalyptic number.

It is an amenable number.

13223012 is an abundant number, since it is smaller than the sum of its proper divisors (13351228).

13223012 is a wasteful number, since it uses less digits than its factorization.

13223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851 (or 15849 counting only the distinct ones).

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

The square root of 13223012 is about 3636.3459681389. The cubic root of 13223012 is about 236.4704061828.

Adding to 13223012 its reverse (21032231), we get a palindrome (34255243).

It can be divided in two parts, 1322 and 3012, that added together give a palindrome (4334).

The spelling of 13223012 in words is "thirteen million, two hundred twenty-three thousand, twelve".