12545117 has 8 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 11548080.

The previous prime is 12545089. The next prime is 12545129. The reversal of 12545117 is 71154521.

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 12545117 - 2¹⁸ = 12282973 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 (12545177) 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, 4484 + ... + 6722.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 2^12545117 is an apocalyptic number.

It is an amenable number.

12545117 is a deficient number, since it is larger than the sum of its proper divisors (1002403).

12545117 is a wasteful number, since it uses less digits than its factorization.

12545117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683.

The product of its digits is 1400, while the sum is 26.

The square root of 12545117 is about 3541.9086662420. The cubic root of 12545117 is about 232.3583258360.

Adding to 12545117 its reverse (71154521), we get a palindrome (83699638).

The spelling of 12545117 in words is "twelve million, five hundred forty-five thousand, one hundred seventeen".