12808554 has 16 divisors (see below), whose sum is σ = 27946080. Its totient is φ = 3881360.

The previous prime is 12808529. The next prime is 12808583. The reversal of 12808554 is 45580821.

12808554 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 Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96969 + ... + 97100.

It is an arithmetic number, because the mean of its divisors is an integer number (1746630).

Almost surely, 2^12808554 is an apocalyptic number.

12808554 is an abundant number, since it is smaller than the sum of its proper divisors (15137526).

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

12808554 is a wasteful number, since it uses less digits than its factorization.

12808554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194085.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 12808554 is about 3578.9040221833. The cubic root of 12808554 is about 233.9735158864.

The spelling of 12808554 in words is "twelve million, eight hundred eight thousand, five hundred fifty-four".