12632971 has 4 divisors (see below), whose sum is σ = 13604752. Its totient is φ = 11661192.

The previous prime is 12632953. The next prime is 12632999. The reversal of 12632971 is 17923621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17923621 = 89 ⋅201389.

It is a cyclic number.

It is not a de Polignac number, because 12632971 - 2¹⁷ = 12501899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12632941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485871 + ... + 485896.

It is an arithmetic number, because the mean of its divisors is an integer number (3401188).

Almost surely, 2^12632971 is an apocalyptic number.

12632971 is a deficient number, since it is larger than the sum of its proper divisors (971781).

12632971 is an equidigital number, since it uses as much as digits as its factorization.

12632971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971780.

The product of its digits is 4536, while the sum is 31.

The square root of 12632971 is about 3554.2890991027. The cubic root of 12632971 is about 232.8994697311.

The spelling of 12632971 in words is "twelve million, six hundred thirty-two thousand, nine hundred seventy-one".