13133145 has 8 divisors (see below), whose sum is σ = 21013056. Its totient is φ = 7004336.

The previous prime is 13133111. The next prime is 13133147. The reversal of 13133145 is 54133131.

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 13133145 - 2¹⁵ = 13100377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13133147) 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 7 ways as a sum of consecutive naturals, for example, 437757 + ... + 437786.

It is an arithmetic number, because the mean of its divisors is an integer number (2626632).

Almost surely, 2^13133145 is an apocalyptic number.

13133145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13133145 is a deficient number, since it is larger than the sum of its proper divisors (7879911).

13133145 is an equidigital number, since it uses as much as digits as its factorization.

13133145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875551.

The product of its digits is 540, while the sum is 21.

The square root of 13133145 is about 3623.9681289989. The cubic root of 13133145 is about 235.9334833607.

Adding to 13133145 its reverse (54133131), we get a palindrome (67266276).

The spelling of 13133145 in words is "thirteen million, one hundred thirty-three thousand, one hundred forty-five".