12438935 has 4 divisors (see below), whose sum is σ = 14926728. Its totient is φ = 9951144.

The previous prime is 12438931. The next prime is 12438947. The reversal of 12438935 is 53983421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53983421 = 3413 ⋅15817.

It is a cyclic number.

It is not a de Polignac number, because 12438935 - 2² = 12438931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12438895 and 12438904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12438931) 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, 1243889 + ... + 1243898.

It is an arithmetic number, because the mean of its divisors is an integer number (3731682).

Almost surely, 2^12438935 is an apocalyptic number.

12438935 is a deficient number, since it is larger than the sum of its proper divisors (2487793).

12438935 is an equidigital number, since it uses as much as digits as its factorization.

12438935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487792.

The product of its digits is 25920, while the sum is 35.

The square root of 12438935 is about 3526.8874379543. The cubic root of 12438935 is about 231.7009064402.

The spelling of 12438935 in words is "twelve million, four hundred thirty-eight thousand, nine hundred thirty-five".