12117038 has 4 divisors (see below), whose sum is σ = 18175560. Its totient is φ = 6058518.

The previous prime is 12117031. The next prime is 12117043. The reversal of 12117038 is 83071121.

It is a happy number.

12117038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3029258 + ... + 3029261.

It is an arithmetic number, because the mean of its divisors is an integer number (4543890).

Almost surely, 2^12117038 is an apocalyptic number.

12117038 is a deficient number, since it is larger than the sum of its proper divisors (6058522).

12117038 is an equidigital number, since it uses as much as digits as its factorization.

12117038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058521.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12117038 is about 3480.9536049767. The cubic root of 12117038 is about 229.6847476771.

Adding to 12117038 its reverse (83071121), we get a palindrome (95188159).

The spelling of 12117038 in words is "twelve million, one hundred seventeen thousand, thirty-eight".