12632471 has 4 divisors (see below), whose sum is σ = 12640752. Its totient is φ = 12624192.

The previous prime is 12632467. The next prime is 12632483. The reversal of 12632471 is 17423621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12632471 - 2² = 12632467 is a prime.

It is a super-3 number, since 3×12632471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12632471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632401) 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, 1115 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (3160188).

Almost surely, 2^12632471 is an apocalyptic number.

12632471 is a deficient number, since it is larger than the sum of its proper divisors (8281).

12632471 is an equidigital number, since it uses as much as digits as its factorization.

12632471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8280.

The product of its digits is 2016, while the sum is 26.

The square root of 12632471 is about 3554.2187608531. The cubic root of 12632471 is about 232.8963970500.

The spelling of 12632471 in words is "twelve million, six hundred thirty-two thousand, four hundred seventy-one".