12720076 has 12 divisors (see below), whose sum is σ = 22574160. Its totient is φ = 6270320.

The previous prime is 12720073. The next prime is 12720077. The reversal of 12720076 is 67002721.

It is a self number, because there is not a number n which added to its sum of digits gives 12720076.

It is not an unprimeable number, because it can be changed into a prime (12720073) 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 3 ways as a sum of consecutive naturals, for example, 22111 + ... + 22678.

It is an arithmetic number, because the mean of its divisors is an integer number (1881180).

Almost surely, 2^12720076 is an apocalyptic number.

It is an amenable number.

12720076 is a deficient number, since it is larger than the sum of its proper divisors (9854084).

12720076 is a wasteful number, since it uses less digits than its factorization.

12720076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44864 (or 44862 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 12720076 is about 3566.5215546804. The cubic root of 12720076 is about 233.4335288510.

Adding to 12720076 its reverse (67002721), we get a palindrome (79722797).

The spelling of 12720076 in words is "twelve million, seven hundred twenty thousand, seventy-six".