13442212 has 24 divisors (see below), whose sum is σ = 28054656. Its totient is φ = 5510208.

The previous prime is 13442201. The next prime is 13442237. The reversal of 13442212 is 21224431.

It is a self number, because there is not a number n which added to its sum of digits gives 13442212.

It is an unprimeable number.

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, 9793 + ... + 11080.

It is an arithmetic number, because the mean of its divisors is an integer number (1168944).

Almost surely, 2^13442212 is an apocalyptic number.

It is an amenable number.

13442212 is an abundant number, since it is smaller than the sum of its proper divisors (14612444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13442212 is a wasteful number, since it uses less digits than its factorization.

13442212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20907 (or 20905 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 13442212 is about 3666.3622297858. The cubic root of 13442212 is about 237.7699210015.

Adding to 13442212 its reverse (21224431), we get a palindrome (34666643).

It can be divided in two parts, 13 and 442212, that added together give a square (442225 = 665²).

The spelling of 13442212 in words is "thirteen million, four hundred forty-two thousand, two hundred twelve".