12802818 has 32 divisors (see below), whose sum is σ = 29865600. Its totient is φ = 3657360.

The previous prime is 12802817. The next prime is 12802831. The reversal of 12802818 is 81820821.

It is a super-2 number, since 2×12802818² = 327824297482248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12802817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (933300).

Almost surely, 2^12802818 is an apocalyptic number.

12802818 is an abundant number, since it is smaller than the sum of its proper divisors (17062782).

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

12802818 is an equidigital number, since it uses as much as digits as its factorization.

12802818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 12802818 is about 3578.1025697987. The cubic root of 12802818 is about 233.9385842182.

The spelling of 12802818 in words is "twelve million, eight hundred two thousand, eight hundred eighteen".