13916543 has 2 divisors, whose sum is σ = 13916544. Its totient is φ = 13916542.

The previous prime is 13916537. The next prime is 13916579. The reversal of 13916543 is 34561931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13916543 - 2¹⁰ = 13915519 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13916443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6958271 + 6958272.

It is an arithmetic number, because the mean of its divisors is an integer number (6958272).

Almost surely, 2^13916543 is an apocalyptic number.

13916543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13916543 is an equidigital number, since it uses as much as digits as its factorization.

13916543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 13916543 is about 3730.4883058388. The cubic root of 13916543 is about 240.5343591368.

The spelling of 13916543 in words is "thirteen million, nine hundred sixteen thousand, five hundred forty-three".