12113501 has 4 divisors (see below), whose sum is σ = 12121404. Its totient is φ = 12105600.

The previous prime is 12113489. The next prime is 12113527. The reversal of 12113501 is 10531121.

12113501 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7812025 + 4301476 = 2795^2 + 2074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12113501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113581) 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, 830 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (3030351).

Almost surely, 2^12113501 is an apocalyptic number.

It is an amenable number.

12113501 is a deficient number, since it is larger than the sum of its proper divisors (7903).

12113501 is an equidigital number, since it uses as much as digits as its factorization.

12113501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 12113501 is about 3480.4455174589. The cubic root of 12113501 is about 229.6623969449.

Adding to 12113501 its reverse (10531121), we get a palindrome (22644622).

The spelling of 12113501 in words is "twelve million, one hundred thirteen thousand, five hundred one".