12041517 has 8 divisors (see below), whose sum is σ = 16071424. Its totient is φ = 8019648.

The previous prime is 12041503. The next prime is 12041521. The reversal of 12041517 is 71514021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12041517 - 2⁴ = 12041501 is a prime.

It is a super-2 number, since 2×12041517² = 289996263322578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12041493 and 12041502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12041527) 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, 4548 + ... + 6690.

It is an arithmetic number, because the mean of its divisors is an integer number (2008928).

Almost surely, 2^12041517 is an apocalyptic number.

It is an amenable number.

12041517 is a deficient number, since it is larger than the sum of its proper divisors (4029907).

12041517 is a wasteful number, since it uses less digits than its factorization.

12041517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 12041517 is about 3470.0889037602. The cubic root of 12041517 is about 229.2065729439.

Adding to 12041517 its reverse (71514021), we get a palindrome (83555538).

The spelling of 12041517 in words is "twelve million, forty-one thousand, five hundred seventeen".