13634231 has 8 divisors (see below), whose sum is σ = 14714784. Its totient is φ = 12558240.

The previous prime is 13634219. The next prime is 13634237. The reversal of 13634231 is 13243631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13634231 is a prime.

It is a super-2 number, since 2×13634231² = 371784509922722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13634197 and 13634206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13634237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7601 + ... + 9221.

It is an arithmetic number, because the mean of its divisors is an integer number (1839348).

Almost surely, 2^13634231 is an apocalyptic number.

13634231 is a deficient number, since it is larger than the sum of its proper divisors (1080553).

13634231 is a wasteful number, since it uses less digits than its factorization.

13634231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281.

The product of its digits is 1296, while the sum is 23.

The square root of 13634231 is about 3692.4559577604. The cubic root of 13634231 is about 238.8967359079.

Adding to 13634231 its reverse (13243631), we get a palindrome (26877862).

The spelling of 13634231 in words is "thirteen million, six hundred thirty-four thousand, two hundred thirty-one".