12576971 has 8 divisors (see below), whose sum is σ = 13953600. Its totient is φ = 11239240.

The previous prime is 12576961. The next prime is 12576973. The reversal of 12576971 is 17967521.

12576971 = T₂₈₅ + T₂₈₆ + ... + T₄₆₁.

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 12576971 - 2¹⁰ = 12575947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12576973) 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, 9041 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (1744200).

Almost surely, 2^12576971 is an apocalyptic number.

12576971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12576971 is a deficient number, since it is larger than the sum of its proper divisors (1376629).

12576971 is a wasteful number, since it uses less digits than its factorization.

12576971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19449.

The product of its digits is 26460, while the sum is 38.

The square root of 12576971 is about 3546.4025434234. The cubic root of 12576971 is about 232.5548242393.

It can be divided in two parts, 1257 and 6971, that added together give a palindrome (8228).

The spelling of 12576971 in words is "twelve million, five hundred seventy-six thousand, nine hundred seventy-one".