13785371 has 2 divisors, whose sum is σ = 13785372. Its totient is φ = 13785370.

The previous prime is 13785361. The next prime is 13785377. The reversal of 13785371 is 17358731.

13785371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13785371 - 2¹⁸ = 13523227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13785377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6892685 + 6892686.

It is an arithmetic number, because the mean of its divisors is an integer number (6892686).

Almost surely, 2^13785371 is an apocalyptic number.

13785371 is a deficient number, since it is larger than the sum of its proper divisors (1).

13785371 is an equidigital number, since it uses as much as digits as its factorization.

13785371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 13785371 is about 3712.8656048933. The cubic root of 13785371 is about 239.7762439997.

The spelling of 13785371 in words is "thirteen million, seven hundred eighty-five thousand, three hundred seventy-one".