13631343 has 8 divisors (see below), whose sum is σ = 19827456. Its totient is φ = 8261400.

The previous prime is 13631323. The next prime is 13631347. The reversal of 13631343 is 34313631.

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

It is not a de Polignac number, because 13631343 - 2⁶ = 13631279 is a prime.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13631347) 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, 206503 + ... + 206568.

It is an arithmetic number, because the mean of its divisors is an integer number (2478432).

Almost surely, 2^13631343 is an apocalyptic number.

13631343 is a deficient number, since it is larger than the sum of its proper divisors (6196113).

13631343 is a wasteful number, since it uses less digits than its factorization.

13631343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413085.

The product of its digits is 1944, while the sum is 24.

The square root of 13631343 is about 3692.0648694193. The cubic root of 13631343 is about 238.8798670310.

Adding to 13631343 its reverse (34313631), we get a palindrome (47944974).

The spelling of 13631343 in words is "thirteen million, six hundred thirty-one thousand, three hundred forty-three".