12900284 has 6 divisors (see below), whose sum is σ = 22575504. Its totient is φ = 6450140.

The previous prime is 12900227. The next prime is 12900289. The reversal of 12900284 is 48200921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612532 + ... + 1612539.

It is an arithmetic number, because the mean of its divisors is an integer number (3762584).

Almost surely, 2^12900284 is an apocalyptic number.

It is an amenable number.

12900284 is a deficient number, since it is larger than the sum of its proper divisors (9675220).

12900284 is a wasteful number, since it uses less digits than its factorization.

12900284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225075 (or 3225073 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12900284 is about 3591.6965350653. The cubic root of 12900284 is about 234.5307309665.

The spelling of 12900284 in words is "twelve million, nine hundred thousand, two hundred eighty-four".