12901284 has 36 divisors (see below), whose sum is σ = 35577360. Its totient is φ = 3909360.

The previous prime is 12901279. The next prime is 12901297. The reversal of 12901284 is 48210921.

12901284 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15894 + ... + 16685.

It is an arithmetic number, because the mean of its divisors is an integer number (988260).

Almost surely, 2^12901284 is an apocalyptic number.

It is an amenable number.

12901284 is an abundant number, since it is smaller than the sum of its proper divisors (22676076).

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

12901284 is a wasteful number, since it uses less digits than its factorization.

12901284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32600 (or 32595 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12901284 is about 3591.8357423468. The cubic root of 12901284 is about 234.5367909021.

The spelling of 12901284 in words is "twelve million, nine hundred one thousand, two hundred eighty-four".