12261517 has 8 divisors (see below), whose sum is σ = 13023360. Its totient is φ = 11511360.

The previous prime is 12261503. The next prime is 12261521. The reversal of 12261517 is 71516221.

12261517 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 a de Polignac number, because none of the positive numbers 2^k-12261517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12261491 and 12261500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261527) 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, 709 + ... + 5002.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 2^12261517 is an apocalyptic number.

It is an amenable number.

12261517 is a deficient number, since it is larger than the sum of its proper divisors (761843).

12261517 is a wasteful number, since it uses less digits than its factorization.

12261517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843.

The product of its digits is 840, while the sum is 25.

The square root of 12261517 is about 3501.6448991867. The cubic root of 12261517 is about 230.5940346887.

Adding to 12261517 its reverse (71516221), we get a palindrome (83777738).

The spelling of 12261517 in words is "twelve million, two hundred sixty-one thousand, five hundred seventeen".