12140617 has 8 divisors (see below), whose sum is σ = 12531456. Its totient is φ = 11755392.

The previous prime is 12140593. The next prime is 12140627. The reversal of 12140617 is 71604121.

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 12140617 - 2²³ = 3752009 is a prime.

It is a super-2 number, since 2×12140617² = 294789162281378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12140627) 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, 3228 + ... + 5890.

It is an arithmetic number, because the mean of its divisors is an integer number (1566432).

Almost surely, 2^12140617 is an apocalyptic number.

It is an amenable number.

12140617 is a deficient number, since it is larger than the sum of its proper divisors (390839).

12140617 is an equidigital number, since it uses as much as digits as its factorization.

12140617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12140617 is about 3484.3388181978. The cubic root of 12140617 is about 229.8336352067.

Adding to 12140617 its reverse (71604121), we get a palindrome (83744738).

The spelling of 12140617 in words is "twelve million, one hundred forty thousand, six hundred seventeen".