12072622 has 16 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 5896800.

The previous prime is 12072617. The next prime is 12072649. The reversal of 12072622 is 22627021.

It is a junction number, because it is equal to n+sod(n) for n = 12072593 and 12072602.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16872 + ... + 17572.

It is an arithmetic number, because the mean of its divisors is an integer number (1158300).

Almost surely, 2^12072622 is an apocalyptic number.

12072622 is a deficient number, since it is larger than the sum of its proper divisors (6460178).

12072622 is a wasteful number, since it uses less digits than its factorization.

12072622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12072622 is about 3474.5678868026. The cubic root of 12072622 is about 229.4037612889.

Adding to 12072622 its reverse (22627021), we get a palindrome (34699643).

The spelling of 12072622 in words is "twelve million, seventy-two thousand, six hundred twenty-two".