12633261 has 8 divisors (see below), whose sum is σ = 17835264. Its totient is φ = 7926720.

The previous prime is 12633253. The next prime is 12633311. The reversal of 12633261 is 16233621.

It is a happy number.

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

It is not a de Polignac number, because 12633261 - 2³ = 12633253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633211) 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, 123805 + ... + 123906.

It is an arithmetic number, because the mean of its divisors is an integer number (2229408).

Almost surely, 2^12633261 is an apocalyptic number.

It is an amenable number.

12633261 is a deficient number, since it is larger than the sum of its proper divisors (5202003).

12633261 is a wasteful number, since it uses less digits than its factorization.

12633261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247731.

The product of its digits is 1296, while the sum is 24.

The square root of 12633261 is about 3554.3298946496. The cubic root of 12633261 is about 232.9012518489.

Adding to 12633261 its reverse (16233621), we get a palindrome (28866882).

The spelling of 12633261 in words is "twelve million, six hundred thirty-three thousand, two hundred sixty-one".