13122224 has 20 divisors (see below), whose sum is σ = 26016936. Its totient is φ = 6408192.

The previous prime is 13122211. The next prime is 13122227. The reversal of 13122224 is 42222131.

It is not an unprimeable number, because it can be changed into a prime (13122227) 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, 8849 + ... + 10224.

Almost surely, 2^13122224 is an apocalyptic number.

It is an amenable number.

13122224 is a deficient number, since it is larger than the sum of its proper divisors (12894712).

13122224 is a wasteful number, since it uses less digits than its factorization.

13122224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19124 (or 19118 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 13122224 is about 3622.4610418885. The cubic root of 13122224 is about 235.8680675975.

Adding to 13122224 its reverse (42222131), we get a palindrome (55344355).

The spelling of 13122224 in words is "thirteen million, one hundred twenty-two thousand, two hundred twenty-four".