13020043 has 8 divisors (see below), whose sum is σ = 13672080. Its totient is φ = 12381600.

The previous prime is 13020037. The next prime is 13020053. The reversal of 13020043 is 34002031.

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

It is not a de Polignac number, because 13020043 - 2¹⁷ = 12888971 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13020053) 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 7 ways as a sum of consecutive naturals, for example, 1408 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (1709010).

Almost surely, 2^13020043 is an apocalyptic number.

13020043 is a deficient number, since it is larger than the sum of its proper divisors (652037).

13020043 is an equidigital number, since it uses as much as digits as its factorization.

13020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6797.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13020043 is about 3608.3296689743. The cubic root of 13020043 is about 235.2542472382.

Adding to 13020043 its reverse (34002031), we get a palindrome (47022074).

The spelling of 13020043 in words is "thirteen million, twenty thousand, forty-three".