13671863 has 2 divisors, whose sum is σ = 13671864. Its totient is φ = 13671862.

The previous prime is 13671857. The next prime is 13671881. The reversal of 13671863 is 36817631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13671863 - 2⁶ = 13671799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13671803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6835931 + 6835932.

It is an arithmetic number, because the mean of its divisors is an integer number (6835932).

Almost surely, 2^13671863 is an apocalyptic number.

13671863 is a deficient number, since it is larger than the sum of its proper divisors (1).

13671863 is an equidigital number, since it uses as much as digits as its factorization.

13671863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 13671863 is about 3697.5482417407. The cubic root of 13671863 is about 239.1163278879.

The spelling of 13671863 in words is "thirteen million, six hundred seventy-one thousand, eight hundred sixty-three".