12113507 has 8 divisors (see below), whose sum is σ = 14572800. Its totient is φ = 9836424.

The previous prime is 12113489. The next prime is 12113527. The reversal of 12113507 is 70531121.

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

It is a cyclic number.

It is not a de Polignac number, because 12113507 - 2⁶ = 12113443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12113527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45407 + ... + 45672.

It is an arithmetic number, because the mean of its divisors is an integer number (1821600).

Almost surely, 2^12113507 is an apocalyptic number.

12113507 is a deficient number, since it is larger than the sum of its proper divisors (2459293).

12113507 is an equidigital number, since it uses as much as digits as its factorization.

12113507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91105.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 12113507 is about 3480.4463794174. The cubic root of 12113507 is about 229.6624348633.

Adding to 12113507 its reverse (70531121), we get a palindrome (82644628).

The spelling of 12113507 in words is "twelve million, one hundred thirteen thousand, five hundred seven".