12517285 has 16 divisors (see below), whose sum is σ = 16831872. Its totient is φ = 8856000.

The previous prime is 12517277. The next prime is 12517289. The reversal of 12517285 is 58271521.

It is not a de Polignac number, because 12517285 - 2³ = 12517277 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 (12517289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (1051992).

Almost surely, 2^12517285 is an apocalyptic number.

It is an amenable number.

12517285 is a deficient number, since it is larger than the sum of its proper divisors (4314587).

12517285 is a wasteful number, since it uses less digits than its factorization.

12517285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204.

The product of its digits is 5600, while the sum is 31.

The square root of 12517285 is about 3537.9775296064. The cubic root of 12517285 is about 232.1863655616.

The spelling of 12517285 in words is "twelve million, five hundred seventeen thousand, two hundred eighty-five".