12116507 has 4 divisors (see below), whose sum is σ = 13048560. Its totient is φ = 11184456.

The previous prime is 12116483. The next prime is 12116521. The reversal of 12116507 is 70561121.

12116507 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 cyclic number.

It is not a de Polignac number, because 12116507 - 2¹² = 12112411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12116527) 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, 466007 + ... + 466032.

It is an arithmetic number, because the mean of its divisors is an integer number (3262140).

Almost surely, 2^12116507 is an apocalyptic number.

12116507 is a deficient number, since it is larger than the sum of its proper divisors (932053).

12116507 is an equidigital number, since it uses as much as digits as its factorization.

12116507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932052.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 12116507 is about 3480.8773319380. The cubic root of 12116507 is about 229.6813925012.

Adding to 12116507 its reverse (70561121), we get a palindrome (82677628).

The spelling of 12116507 in words is "twelve million, one hundred sixteen thousand, five hundred seven".