13800547 has 4 divisors (see below), whose sum is σ = 13813960. Its totient is φ = 13787136.

The previous prime is 13800541. The next prime is 13800551. The reversal of 13800547 is 74500831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13800547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13800541) 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, 5022 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (3453490).

Almost surely, 2^13800547 is an apocalyptic number.

13800547 is a deficient number, since it is larger than the sum of its proper divisors (13413).

13800547 is a wasteful number, since it uses less digits than its factorization.

13800547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13412.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13800547 is about 3714.9087471969. The cubic root of 13800547 is about 239.8641997945.

The spelling of 13800547 in words is "thirteen million, eight hundred thousand, five hundred forty-seven".