13533441 has 8 divisors (see below), whose sum is σ = 18064320. Its totient is φ = 9012432.

The previous prime is 13533439. The next prime is 13533449. The reversal of 13533441 is 14433531.

It is a happy number.

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

It is not a de Polignac number, because 13533441 - 2¹ = 13533439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13533449) 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, 1780 + ... + 5498.

It is an arithmetic number, because the mean of its divisors is an integer number (2258040).

Almost surely, 2^13533441 is an apocalyptic number.

It is an amenable number.

13533441 is a deficient number, since it is larger than the sum of its proper divisors (4530879).

13533441 is a wasteful number, since it uses less digits than its factorization.

13533441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935.

The product of its digits is 2160, while the sum is 24.

The square root of 13533441 is about 3678.7825431792. The cubic root of 13533441 is about 238.3066041171.

Adding to 13533441 its reverse (14433531), we get a palindrome (27966972).

The spelling of 13533441 in words is "thirteen million, five hundred thirty-three thousand, four hundred forty-one".