12320038 has 8 divisors (see below), whose sum is σ = 18979632. Its totient is φ = 5993496.

The previous prime is 12320023. The next prime is 12320047. The reversal of 12320038 is 83002321.

It is a happy number.

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12319997 and 12320024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83170 + ... + 83317.

It is an arithmetic number, because the mean of its divisors is an integer number (2372454).

Almost surely, 2^12320038 is an apocalyptic number.

12320038 is a deficient number, since it is larger than the sum of its proper divisors (6659594).

12320038 is a wasteful number, since it uses less digits than its factorization.

12320038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166526.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12320038 is about 3509.9911680801. The cubic root of 12320038 is about 230.9603075170.

Adding to 12320038 its reverse (83002321), we get a palindrome (95322359).

The spelling of 12320038 in words is "twelve million, three hundred twenty thousand, thirty-eight".