13151443 has 2 divisors, whose sum is σ = 13151444. Its totient is φ = 13151442.

The previous prime is 13151431. The next prime is 13151449. The reversal of 13151443 is 34415131.

13151443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34415131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13151443 - 2⁹ = 13150931 is a prime.

It is not a weakly prime, because it can be changed into another prime (13151449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6575721 + 6575722.

It is an arithmetic number, because the mean of its divisors is an integer number (6575722).

Almost surely, 2^13151443 is an apocalyptic number.

13151443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13151443 is an equidigital number, since it uses as much as digits as its factorization.

13151443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 13151443 is about 3626.4918309573. The cubic root of 13151443 is about 236.0430054253.

Adding to 13151443 its reverse (34415131), we get a palindrome (47566574).

The spelling of 13151443 in words is "thirteen million, one hundred fifty-one thousand, four hundred forty-three".