12900824 has 32 divisors (see below), whose sum is σ = 26503200. Its totient is φ = 5859840.

The previous prime is 12900821. The next prime is 12900851. The reversal of 12900824 is 42800921.

12900824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12900793 and 12900802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309 + ... + 5579.

It is an arithmetic number, because the mean of its divisors is an integer number (828225).

Almost surely, 2^12900824 is an apocalyptic number.

It is an amenable number.

12900824 is an abundant number, since it is smaller than the sum of its proper divisors (13602376).

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

12900824 is a wasteful number, since it uses less digits than its factorization.

12900824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3319 counting only the distinct ones).

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

The square root of 12900824 is about 3591.7717076674. The cubic root of 12900824 is about 234.5340033706.

The spelling of 12900824 in words is "twelve million, nine hundred thousand, eight hundred twenty-four".