12632271 has 8 divisors (see below), whose sum is σ = 16903680. Its totient is φ = 8391192.

The previous prime is 12632251. The next prime is 12632297. The reversal of 12632271 is 17223621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12632271 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632201) 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, 6591 + ... + 8288.

It is an arithmetic number, because the mean of its divisors is an integer number (2112960).

Almost surely, 2^12632271 is an apocalyptic number.

12632271 is a deficient number, since it is larger than the sum of its proper divisors (4271409).

12632271 is a wasteful number, since it uses less digits than its factorization.

12632271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165.

The product of its digits is 1008, while the sum is 24.

The square root of 12632271 is about 3554.1906251635. The cubic root of 12632271 is about 232.8951679549.

Adding to 12632271 its reverse (17223621), we get a palindrome (29855892).

The spelling of 12632271 in words is "twelve million, six hundred thirty-two thousand, two hundred seventy-one".