13855927 has 2 divisors, whose sum is σ = 13855928. Its totient is φ = 13855926.

The previous prime is 13855903. The next prime is 13855931. The reversal of 13855927 is 72955831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13855927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13855927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13855027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6927963 + 6927964.

It is an arithmetic number, because the mean of its divisors is an integer number (6927964).

Almost surely, 2^13855927 is an apocalyptic number.

13855927 is a deficient number, since it is larger than the sum of its proper divisors (1).

13855927 is an equidigital number, since it uses as much as digits as its factorization.

13855927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 13855927 is about 3722.3550341148. The cubic root of 13855927 is about 240.1846206751.

It can be divided in two parts, 138 and 55927, that added together give a palindrome (56065).

The spelling of 13855927 in words is "thirteen million, eight hundred fifty-five thousand, nine hundred twenty-seven".