13922543 has 2 divisors, whose sum is σ = 13922544. Its totient is φ = 13922542.

The previous prime is 13922539. The next prime is 13922551. The reversal of 13922543 is 34522931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13922543 - 2² = 13922539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13922743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6961271 + 6961272.

It is an arithmetic number, because the mean of its divisors is an integer number (6961272).

Almost surely, 2^13922543 is an apocalyptic number.

13922543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13922543 is an equidigital number, since it uses as much as digits as its factorization.

13922543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 13922543 is about 3731.2924034441. The cubic root of 13922543 is about 240.5689222894.

The spelling of 13922543 in words is "thirteen million, nine hundred twenty-two thousand, five hundred forty-three".