13043145 has 8 divisors (see below), whose sum is σ = 20869056. Its totient is φ = 6956336.

The previous prime is 13043143. The next prime is 13043159. The reversal of 13043145 is 54134031.

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 13043145 - 2¹ = 13043143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13043143) 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, 434757 + ... + 434786.

It is an arithmetic number, because the mean of its divisors is an integer number (2608632).

Almost surely, 2^13043145 is an apocalyptic number.

13043145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13043145 is a deficient number, since it is larger than the sum of its proper divisors (7825911).

13043145 is an equidigital number, since it uses as much as digits as its factorization.

13043145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869551.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13043145 is about 3611.5294544002. The cubic root of 13043145 is about 235.3933054672.

Adding to 13043145 its reverse (54134031), we get a palindrome (67177176).

The spelling of 13043145 in words is "thirteen million, forty-three thousand, one hundred forty-five".