12900272 has 80 divisors (see below), whose sum is σ = 32116992. Its totient is φ = 4872960.

The previous prime is 12900227. The next prime is 12900289. The reversal of 12900272 is 27200921.

12900272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45443 + ... + 45725.

Almost surely, 2^12900272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12900272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16058496).

12900272 is an abundant number, since it is smaller than the sum of its proper divisors (19216720).

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

12900272 is a wasteful number, since it uses less digits than its factorization.

12900272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 12900272 is about 3591.6948645451. The cubic root of 12900272 is about 234.5306582454.

The spelling of 12900272 in words is "twelve million, nine hundred thousand, two hundred seventy-two".