13424633 has 4 divisors (see below), whose sum is σ = 13467300. Its totient is φ = 13381968.

The previous prime is 13424623. The next prime is 13424639. The reversal of 13424633 is 33642431.

It is a happy number.

13424633 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33642431 = 157 ⋅214283.

It can be written as a sum of positive squares in 2 ways, for example, as 7139584 + 6285049 = 2672^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 13424633 - 2⁶ = 13424569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13424639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20858 + ... + 21491.

It is an arithmetic number, because the mean of its divisors is an integer number (3366825).

Almost surely, 2^13424633 is an apocalyptic number.

It is an amenable number.

13424633 is a deficient number, since it is larger than the sum of its proper divisors (42667).

13424633 is an equidigital number, since it uses as much as digits as its factorization.

13424633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42666.

The product of its digits is 5184, while the sum is 26.

The square root of 13424633 is about 3663.9641100862. The cubic root of 13424633 is about 237.6662282267. Note that the first 3 decimals are identical.

The spelling of 13424633 in words is "thirteen million, four hundred twenty-four thousand, six hundred thirty-three".