12290803 has 4 divisors (see below), whose sum is σ = 14046640. Its totient is φ = 10534968.

The previous prime is 12290801. The next prime is 12290833. The reversal of 12290803 is 30809221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12290803 - 2¹ = 12290801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12290801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877908 + ... + 877921.

It is an arithmetic number, because the mean of its divisors is an integer number (3511660).

Almost surely, 2^12290803 is an apocalyptic number.

12290803 is a deficient number, since it is larger than the sum of its proper divisors (1755837).

12290803 is an equidigital number, since it uses as much as digits as its factorization.

12290803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755836.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12290803 is about 3505.8241541754. The cubic root of 12290803 is about 230.7774760330. Note that the first 3 decimals are identical.

The spelling of 12290803 in words is "twelve million, two hundred ninety thousand, eight hundred three".