12080356 has 24 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 5793312.

The previous prime is 12080347. The next prime is 12080357. The reversal of 12080356 is 65308021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12080356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12080357) 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, 25635 + ... + 26101.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^12080356 is an apocalyptic number.

It is an amenable number.

12080356 is a deficient number, since it is larger than the sum of its proper divisors (9934364).

12080356 is a wasteful number, since it uses less digits than its factorization.

12080356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12080356 is about 3475.6806527643. The cubic root of 12080356 is about 229.4527379447.

Adding to 12080356 its reverse (65308021), we get a palindrome (77388377).

The spelling of 12080356 in words is "twelve million, eighty thousand, three hundred fifty-six".