13122212 has 24 divisors (see below), whose sum is σ = 23632896. Its totient is φ = 6372288.

The previous prime is 13122211. The next prime is 13122227. The reversal of 13122212 is 21222131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122211) 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, 41768 + ... + 42080.

It is an arithmetic number, because the mean of its divisors is an integer number (984704).

Almost surely, 2^13122212 is an apocalyptic number.

It is an amenable number.

13122212 is a deficient number, since it is larger than the sum of its proper divisors (10510684).

13122212 is a wasteful number, since it uses less digits than its factorization.

13122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 13122212 is about 3622.4593855556. The cubic root of 13122212 is about 235.8679956987.

Adding to 13122212 its reverse (21222131), we get a palindrome (34344343).

It can be divided in two parts, 1 and 3122212, that added together give a palindrome (3122213).

The spelling of 13122212 in words is "thirteen million, one hundred twenty-two thousand, two hundred twelve".