12071622 has 16 divisors (see below), whose sum is σ = 24203520. Its totient is φ = 4013832.

The previous prime is 12071611. The next prime is 12071623. The reversal of 12071622 is 22617021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071623) by changing a digit.

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, 343 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (1512720).

Almost surely, 2^12071622 is an apocalyptic number.

12071622 is an abundant number, since it is smaller than the sum of its proper divisors (12131898).

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

12071622 is a wasteful number, since it uses less digits than its factorization.

12071622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12071622 is about 3474.4239810363. The cubic root of 12071622 is about 229.3974271196.

Adding to 12071622 its reverse (22617021), we get a palindrome (34688643).

The spelling of 12071622 in words is "twelve million, seventy-one thousand, six hundred twenty-two".