13122242 has 16 divisors (see below), whose sum is σ = 22559040. Its totient is φ = 5607888.

The previous prime is 13122229. The next prime is 13122247. The reversal of 13122242 is 24222131.

It is a self number, because there is not a number n which added to its sum of digits gives 13122242.

It is not an unprimeable number, because it can be changed into a prime (13122247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748 + ... + 6984.

It is an arithmetic number, because the mean of its divisors is an integer number (1409940).

Almost surely, 2^13122242 is an apocalyptic number.

13122242 is a deficient number, since it is larger than the sum of its proper divisors (9436798).

13122242 is a wasteful number, since it uses less digits than its factorization.

13122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665.

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

The square root of 13122242 is about 3622.4635263864. The cubic root of 13122242 is about 235.8681754457.

Adding to 13122242 its reverse (24222131), we get a palindrome (37344373).

It can be divided in two parts, 13122 and 242, that multiplied together give a square (3175524 = 1782²).

The spelling of 13122242 in words is "thirteen million, one hundred twenty-two thousand, two hundred forty-two".