12140613 has 6 divisors (see below), whose sum is σ = 17536454. Its totient is φ = 8093736.

The previous prime is 12140593. The next prime is 12140627. The reversal of 12140613 is 31604121.

It is a happy number.

12140613 is a `hidden beast` number, since 12 + 1 + 40 + 613 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11573604 + 567009 = 3402^2 + 753^2 .

It is not a de Polignac number, because 12140613 - 2⁶ = 12140549 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 (12140683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674470 + ... + 674487.

Almost surely, 2^12140613 is an apocalyptic number.

It is an amenable number.

12140613 is a deficient number, since it is larger than the sum of its proper divisors (5395841).

12140613 is a wasteful number, since it uses less digits than its factorization.

12140613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348963 (or 1348960 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12140613 is about 3484.3382442008. The cubic root of 12140613 is about 229.8336099654.

Adding to 12140613 its reverse (31604121), we get a palindrome (43744734).

It can be divided in two parts, 12 and 140613, that added together give a square (140625 = 375²).

The spelling of 12140613 in words is "twelve million, one hundred forty thousand, six hundred thirteen".