13758643 has 2 divisors, whose sum is σ = 13758644. Its totient is φ = 13758642.

The previous prime is 13758631. The next prime is 13758653. The reversal of 13758643 is 34685731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13758643 - 2¹⁷ = 13627571 is a prime.

It is not a weakly prime, because it can be changed into another prime (13758653) 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 as a sum of consecutive naturals, namely, 6879321 + 6879322.

It is an arithmetic number, because the mean of its divisors is an integer number (6879322).

Almost surely, 2^13758643 is an apocalyptic number.

13758643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13758643 is an equidigital number, since it uses as much as digits as its factorization.

13758643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 13758643 is about 3709.2644823469. The cubic root of 13758643 is about 239.6211789960.

The spelling of 13758643 in words is "thirteen million, seven hundred fifty-eight thousand, six hundred forty-three".