12803420 has 24 divisors (see below), whose sum is σ = 30728544. Its totient is φ = 4389696.

The previous prime is 12803407. The next prime is 12803423. The reversal of 12803420 is 2430821.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12803392 and 12803401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12803423) 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 7 ways as a sum of consecutive naturals, for example, 45587 + ... + 45866.

It is an arithmetic number, because the mean of its divisors is an integer number (1280356).

Almost surely, 2^12803420 is an apocalyptic number.

12803420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12803420 is an abundant number, since it is smaller than the sum of its proper divisors (17925124).

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

12803420 is a wasteful number, since it uses less digits than its factorization.

12803420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91469 (or 91467 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12803420 is about 3578.1866916079. The cubic root of 12803420 is about 233.9422508282.

The spelling of 12803420 in words is "twelve million, eight hundred three thousand, four hundred twenty".