13240433 has 8 divisors (see below), whose sum is σ = 14629248. Its totient is φ = 11919424.

The previous prime is 13240421. The next prime is 13240453. The reversal of 13240433 is 33404231.

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

It is a cyclic number.

It is not a de Polignac number, because 13240433 - 2⁶ = 13240369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13240453) 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, 16541 + ... + 17322.

It is an arithmetic number, because the mean of its divisors is an integer number (1828656).

Almost surely, 2^13240433 is an apocalyptic number.

It is an amenable number.

13240433 is a deficient number, since it is larger than the sum of its proper divisors (1388815).

13240433 is a wasteful number, since it uses less digits than its factorization.

13240433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33903.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13240433 is about 3638.7405788267. The cubic root of 13240433 is about 236.5742086329.

Adding to 13240433 its reverse (33404231), we get a palindrome (46644664).

The spelling of 13240433 in words is "thirteen million, two hundred forty thousand, four hundred thirty-three".