13500877 has 4 divisors (see below), whose sum is σ = 14539420. Its totient is φ = 12462336.

The previous prime is 13500869. The next prime is 13500881. The reversal of 13500877 is 77800531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1865956 + 11634921 = 1366^2 + 3411^2 .

It is a cyclic number.

It is not a de Polignac number, because 13500877 - 2³ = 13500869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519252 + ... + 519277.

It is an arithmetic number, because the mean of its divisors is an integer number (3634855).

Almost surely, 2^13500877 is an apocalyptic number.

It is an amenable number.

13500877 is a deficient number, since it is larger than the sum of its proper divisors (1038543).

13500877 is a wasteful number, since it uses less digits than its factorization.

13500877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038542.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 13500877 is about 3674.3539568202. The cubic root of 13500877 is about 238.1153137974.

The spelling of 13500877 in words is "thirteen million, five hundred thousand, eight hundred seventy-seven".