12546971 has 8 divisors (see below), whose sum is σ = 13016064. Its totient is φ = 12081960.

The previous prime is 12546949. The next prime is 12546977. The reversal of 12546971 is 17964521.

12546971 = 419² + 420² + ... + 480².

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 12546971 - 2¹⁸ = 12284827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12546977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6146 + ... + 7928.

It is an arithmetic number, because the mean of its divisors is an integer number (1627008).

Almost surely, 2^12546971 is an apocalyptic number.

12546971 is a deficient number, since it is larger than the sum of its proper divisors (469093).

12546971 is a wasteful number, since it uses less digits than its factorization.

12546971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its digits is 15120, while the sum is 35.

The square root of 12546971 is about 3542.1703798660. The cubic root of 12546971 is about 232.3697717534.

The spelling of 12546971 in words is "twelve million, five hundred forty-six thousand, nine hundred seventy-one".