13342643 has 2 divisors, whose sum is σ = 13342644. Its totient is φ = 13342642.

The previous prime is 13342627. The next prime is 13342649. The reversal of 13342643 is 34624331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13342643 - 2⁴ = 13342627 is a prime.

It is a super-2 number, since 2×13342643² = 356052244450898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13342649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6671321 + 6671322.

It is an arithmetic number, because the mean of its divisors is an integer number (6671322).

Almost surely, 2^13342643 is an apocalyptic number.

13342643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13342643 is an equidigital number, since it uses as much as digits as its factorization.

13342643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 26.

The square root of 13342643 is about 3652.7582728672. The cubic root of 13342643 is about 237.1813966112.

Adding to 13342643 its reverse (34624331), we get a palindrome (47966974).

The spelling of 13342643 in words is "thirteen million, three hundred forty-two thousand, six hundred forty-three".