13772543 has 2 divisors, whose sum is σ = 13772544. Its totient is φ = 13772542.

The previous prime is 13772503. The next prime is 13772557. The reversal of 13772543 is 34527731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13772543 - 2¹⁰ = 13771519 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 (13772503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6886271 + 6886272.

It is an arithmetic number, because the mean of its divisors is an integer number (6886272).

Almost surely, 2^13772543 is an apocalyptic number.

13772543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13772543 is an equidigital number, since it uses as much as digits as its factorization.

13772543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 13772543 is about 3711.1376961789. The cubic root of 13772543 is about 239.7018461898.

The spelling of 13772543 in words is "thirteen million, seven hundred seventy-two thousand, five hundred forty-three".