12487633 has 4 divisors (see below), whose sum is σ = 12551220. Its totient is φ = 12424048.

The previous prime is 12487627. The next prime is 12487691. The reversal of 12487633 is 33678421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11370384 + 1117249 = 3372^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 12487633 - 2²¹ = 10390481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12487133) 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, 31498 + ... + 31891.

It is an arithmetic number, because the mean of its divisors is an integer number (3137805).

Almost surely, 2^12487633 is an apocalyptic number.

It is an amenable number.

12487633 is a deficient number, since it is larger than the sum of its proper divisors (63587).

12487633 is an equidigital number, since it uses as much as digits as its factorization.

12487633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63586.

The product of its digits is 24192, while the sum is 34.

The square root of 12487633 is about 3533.7845152188. The cubic root of 12487633 is about 232.0028797205.

The spelling of 12487633 in words is "twelve million, four hundred eighty-seven thousand, six hundred thirty-three".