13892887 has 2 divisors, whose sum is σ = 13892888. Its totient is φ = 13892886.

The previous prime is 13892881. The next prime is 13892917. The reversal of 13892887 is 78829831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13892887 - 2¹¹ = 13890839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13892881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6946443 + 6946444.

It is an arithmetic number, because the mean of its divisors is an integer number (6946444).

Almost surely, 2^13892887 is an apocalyptic number.

13892887 is a deficient number, since it is larger than the sum of its proper divisors (1).

13892887 is an equidigital number, since it uses as much as digits as its factorization.

13892887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 46.

The square root of 13892887 is about 3727.3163267960. The cubic root of 13892887 is about 240.3979912678.

It can be divided in two parts, 138 and 92887, that added together give a square (93025 = 305²).

The spelling of 13892887 in words is "thirteen million, eight hundred ninety-two thousand, eight hundred eighty-seven".