12013613 has 8 divisors (see below), whose sum is σ = 12591936. Its totient is φ = 11440000.

The previous prime is 12013601. The next prime is 12013621. The reversal of 12013613 is 31631021.

12013613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12013613 - 2⁶ = 12013549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12013591 and 12013600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4733 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (1573992).

Almost surely, 2^12013613 is an apocalyptic number.

It is an amenable number.

12013613 is a deficient number, since it is larger than the sum of its proper divisors (578323).

12013613 is a wasteful number, since it uses less digits than its factorization.

12013613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12013613 is about 3466.0659255127. The cubic root of 12013613 is about 229.0293879893.

Adding to 12013613 its reverse (31631021), we get a palindrome (43644634).

The spelling of 12013613 in words is "twelve million, thirteen thousand, six hundred thirteen".