13333441 has 16 divisors (see below), whose sum is σ = 15284736. Its totient is φ = 11520000.

The previous prime is 13333433. The next prime is 13333499. The reversal of 13333441 is 14433331.

It is a happy number.

It is a 4-Lehmer number, since φ(13333441) divides (13333441-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 13333441 - 2³ = 13333433 is a prime.

It is a deceptive number, since it divides R_13333440.

It is not an unprimeable number, because it can be changed into a prime (13333841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20481 + ... + 21121.

It is an arithmetic number, because the mean of its divisors is an integer number (955296).

It is a Poulet number, since it divides 2^13333440-1.

Almost surely, 2^13333441 is an apocalyptic number.

13333441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13333441 is a deficient number, since it is larger than the sum of its proper divisors (1951295).

13333441 is a wasteful number, since it uses less digits than its factorization.

13333441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its digits is 1296, while the sum is 22.

The square root of 13333441 is about 3651.4984595369. The cubic root of 13333441 is about 237.1268585624.

Adding to 13333441 its reverse (14433331), we get a palindrome (27766772).

It can be divided in two parts, 1333 and 3441, that added together give a palindrome (4774).

The spelling of 13333441 in words is "thirteen million, three hundred thirty-three thousand, four hundred forty-one".