12438303 has 8 divisors (see below), whose sum is σ = 17156400. Its totient is φ = 8006208.

The previous prime is 12438301. The next prime is 12438311. The reversal of 12438303 is 30383421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12438303 - 2¹ = 12438301 is a prime.

It is a super-2 number, since 2×12438303² = 309422763039618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12438301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71398 + ... + 71571.

It is an arithmetic number, because the mean of its divisors is an integer number (2144550).

Almost surely, 2^12438303 is an apocalyptic number.

12438303 is a deficient number, since it is larger than the sum of its proper divisors (4718097).

12438303 is a wasteful number, since it uses less digits than its factorization.

12438303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143001.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 12438303 is about 3526.7978394005. The cubic root of 12438303 is about 231.6969822711.

The spelling of 12438303 in words is "twelve million, four hundred thirty-eight thousand, three hundred three".