12340203 has 16 divisors (see below), whose sum is σ = 17072640. Its totient is φ = 7922016.

The previous prime is 12340199. The next prime is 12340271. The reversal of 12340203 is 30204321.

It is not a de Polignac number, because 12340203 - 2² = 12340199 is a prime.

It is a super-2 number, since 2×12340203² = 304561220162418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12340103) 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, 11358 + ... + 12396.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^12340203 is an apocalyptic number.

12340203 is a deficient number, since it is larger than the sum of its proper divisors (4732437).

12340203 is a wasteful number, since it uses less digits than its factorization.

12340203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12340203 is about 3512.8625079841. The cubic root of 12340203 is about 231.0862480358.

Adding to 12340203 its reverse (30204321), we get a palindrome (42544524).

The spelling of 12340203 in words is "twelve million, three hundred forty thousand, two hundred three".