12385738 has 4 divisors (see below), whose sum is σ = 18578610. Its totient is φ = 6192868.

The previous prime is 12385727. The next prime is 12385757. The reversal of 12385738 is 83758321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83758321 = 4007 ⋅20903.

It can be written as a sum of positive squares in only one way, i.e., 10517049 + 1868689 = 3243^2 + 1367^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12385697 and 12385706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3096433 + ... + 3096436.

Almost surely, 2^12385738 is an apocalyptic number.

12385738 is a deficient number, since it is larger than the sum of its proper divisors (6192872).

12385738 is an equidigital number, since it uses as much as digits as its factorization.

12385738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192871.

The product of its digits is 40320, while the sum is 37.

The square root of 12385738 is about 3519.3377217880. The cubic root of 12385738 is about 231.3701330519.

The spelling of 12385738 in words is "twelve million, three hundred eighty-five thousand, seven hundred thirty-eight".