12635231 has 8 divisors (see below), whose sum is σ = 14644224. Its totient is φ = 10677240.

The previous prime is 12635221. The next prime is 12635243. The reversal of 12635231 is 13253621.

12635231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12635231 - 2¹⁰ = 12634207 is a prime.

It is a super-2 number, since 2×12635231² = 319298124846722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12635197 and 12635206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12635221) 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, 12215 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (1830528).

Almost surely, 2^12635231 is an apocalyptic number.

12635231 is a deficient number, since it is larger than the sum of its proper divisors (2008993).

12635231 is an equidigital number, since it uses as much as digits as its factorization.

12635231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25501.

The product of its digits is 1080, while the sum is 23.

The square root of 12635231 is about 3554.6070106272. The cubic root of 12635231 is about 232.9133572380.

Adding to 12635231 its reverse (13253621), we get a palindrome (25888852).

The spelling of 12635231 in words is "twelve million, six hundred thirty-five thousand, two hundred thirty-one".