12611322 has 32 divisors (see below), whose sum is σ = 28627200. Its totient is φ = 4113504.

The previous prime is 12611303. The next prime is 12611351. The reversal of 12611322 is 22311621.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12611295 and 12611304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54 + ... + 5022.

It is an arithmetic number, because the mean of its divisors is an integer number (894600).

Almost surely, 2^12611322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12611322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14313600).

12611322 is an abundant number, since it is smaller than the sum of its proper divisors (16015878).

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

12611322 is a wasteful number, since it uses less digits than its factorization.

12611322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 5021 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 12611322 is about 3551.2423178375. The cubic root of 12611322 is about 232.7663544744.

Adding to 12611322 its reverse (22311621), we get a palindrome (34922943).

The spelling of 12611322 in words is "twelve million, six hundred eleven thousand, three hundred twenty-two".