12012613 has 4 divisors (see below), whose sum is σ = 12065760. Its totient is φ = 11959468.

The previous prime is 12012607. The next prime is 12012619. The reversal of 12012613 is 31621021.

12012613 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31621021 = 23 ⋅1374827.

It is an interprime number because it is at equal distance from previous prime (12012607) and next prime (12012619).

It is a cyclic number.

It is not a de Polignac number, because 12012613 - 2⁹ = 12012101 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 (12012619) 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, 26233 + ... + 26686.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^12012613 is an apocalyptic number.

It is an amenable number.

12012613 is a deficient number, since it is larger than the sum of its proper divisors (53147).

12012613 is an equidigital number, since it uses as much as digits as its factorization.

12012613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53146.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12012613 is about 3465.9216667432. The cubic root of 12012613 is about 229.0230330945.

Adding to 12012613 its reverse (31621021), we get a palindrome (43633634).

The spelling of 12012613 in words is "twelve million, twelve thousand, six hundred thirteen".