13433345 has 4 divisors (see below), whose sum is σ = 16120020. Its totient is φ = 10746672.

The previous prime is 13433341. The next prime is 13433353. The reversal of 13433345 is 54333431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7639696 + 5793649 = 2764^2 + 2407^2 .

It is a cyclic number.

It is not a de Polignac number, because 13433345 - 2² = 13433341 is a prime.

It is a super-3 number, since 3×13433345³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13433341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343330 + ... + 1343339.

It is an arithmetic number, because the mean of its divisors is an integer number (4030005).

Almost surely, 2^13433345 is an apocalyptic number.

It is an amenable number.

13433345 is a deficient number, since it is larger than the sum of its proper divisors (2686675).

13433345 is an equidigital number, since it uses as much as digits as its factorization.

13433345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686674.

The product of its digits is 6480, while the sum is 26.

The square root of 13433345 is about 3665.1527935408. The cubic root of 13433345 is about 237.7176287738.

Adding to 13433345 its reverse (54333431), we get a palindrome (67766776).

The spelling of 13433345 in words is "thirteen million, four hundred thirty-three thousand, three hundred forty-five".