12438302 has 8 divisors (see below), whose sum is σ = 18755712. Its totient is φ = 6186400.

The previous prime is 12438301. The next prime is 12438311. The reversal of 12438302 is 20383421.

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

It is a super-2 number, since 2×12438302² = 309422713286408, 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 3 ways as a sum of consecutive naturals, for example, 15899 + ... + 16662.

It is an arithmetic number, because the mean of its divisors is an integer number (2344464).

Almost surely, 2^12438302 is an apocalyptic number.

12438302 is a deficient number, since it is larger than the sum of its proper divisors (6317410).

12438302 is a wasteful number, since it uses less digits than its factorization.

12438302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32754.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12438302 is about 3526.7976976288. The cubic root of 12438302 is about 231.6969760619.

The spelling of 12438302 in words is "twelve million, four hundred thirty-eight thousand, three hundred two".