13631233 has 16 divisors (see below), whose sum is σ = 17095680. Its totient is φ = 10558800.

The previous prime is 13631221. The next prime is 13631257. The reversal of 13631233 is 33213631.

It is a de Polignac number, because none of the positive numbers 2^k-13631233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13635233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15828 + ... + 16666.

It is an arithmetic number, because the mean of its divisors is an integer number (1068480).

Almost surely, 2^13631233 is an apocalyptic number.

It is an amenable number.

13631233 is a deficient number, since it is larger than the sum of its proper divisors (3464447).

13631233 is a wasteful number, since it uses less digits than its factorization.

13631233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its digits is 972, while the sum is 22.

The square root of 13631233 is about 3692.0499725762. The cubic root of 13631233 is about 238.8792244713.

Adding to 13631233 its reverse (33213631), we get a palindrome (46844864).

The spelling of 13631233 in words is "thirteen million, six hundred thirty-one thousand, two hundred thirty-three".