13443151 has 2 divisors, whose sum is σ = 13443152. Its totient is φ = 13443150.

The previous prime is 13443137. The next prime is 13443161. The reversal of 13443151 is 15134431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13443151 is a prime.

It is a super-4 number, since 4×13443151⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13443161) 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 as a sum of consecutive naturals, namely, 6721575 + 6721576.

It is an arithmetic number, because the mean of its divisors is an integer number (6721576).

Almost surely, 2^13443151 is an apocalyptic number.

13443151 is a deficient number, since it is larger than the sum of its proper divisors (1).

13443151 is an equidigital number, since it uses as much as digits as its factorization.

13443151 is an odious number, because the sum of its binary digits is odd.

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

The square root of 13443151 is about 3666.4902836364. The cubic root of 13443151 is about 237.7754573115.

Adding to 13443151 its reverse (15134431), we get a palindrome (28577582).

The spelling of 13443151 in words is "thirteen million, four hundred forty-three thousand, one hundred fifty-one".