13928877 has 12 divisors (see below), whose sum is σ = 20499804. Its totient is φ = 9110400.

The previous prime is 13928867. The next prime is 13928891. The reversal of 13928877 is 77882931.

13928877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7241481 + 6687396 = 2691^2 + 2586^2 .

It is not a de Polignac number, because 13928877 - 2¹⁰ = 13927853 is a prime.

It is a super-2 number, since 2×13928877² = 388027228962258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13928867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14124 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (1708317).

Almost surely, 2^13928877 is an apocalyptic number.

It is an amenable number.

13928877 is a deficient number, since it is larger than the sum of its proper divisors (6570927).

13928877 is a wasteful number, since it uses less digits than its factorization.

13928877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29260 (or 29257 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 13928877 is about 3732.1410745040. The cubic root of 13928877 is about 240.6053986844.

The spelling of 13928877 in words is "thirteen million, nine hundred twenty-eight thousand, eight hundred seventy-seven".