12800502 has 48 divisors (see below), whose sum is σ = 32589648. Its totient is φ = 3579840.

The previous prime is 12800467. The next prime is 12800503. The reversal of 12800502 is 20500821.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12800503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88 + ... + 5060.

It is an arithmetic number, because the mean of its divisors is an integer number (678951).

Almost surely, 2^12800502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12800502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16294824).

12800502 is an abundant number, since it is smaller than the sum of its proper divisors (19789146).

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

12800502 is a wasteful number, since it uses less digits than its factorization.

12800502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005 (or 5002 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12800502 is about 3577.7789199446. The cubic root of 12800502 is about 233.9244770523.

The spelling of 12800502 in words is "twelve million, eight hundred thousand, five hundred two".