12438803 has 4 divisors (see below), whose sum is σ = 13395648. Its totient is φ = 11481960.

The previous prime is 12438799. The next prime is 12438809. The reversal of 12438803 is 30883421.

It is a happy number.

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 12438803 - 2² = 12438799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12438809) 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, 478403 + ... + 478428.

It is an arithmetic number, because the mean of its divisors is an integer number (3348912).

Almost surely, 2^12438803 is an apocalyptic number.

12438803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12438803 is a deficient number, since it is larger than the sum of its proper divisors (956845).

12438803 is an equidigital number, since it uses as much as digits as its factorization.

12438803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956844.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 12438803 is about 3526.8687245204. The cubic root of 12438803 is about 231.7000868463.

The spelling of 12438803 in words is "twelve million, four hundred thirty-eight thousand, eight hundred three".