13802789 has 16 divisors (see below), whose sum is σ = 18533760. Its totient is φ = 9927360.

The previous prime is 13802777. The next prime is 13802791. The reversal of 13802789 is 98720831.

13802789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13802789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13802749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5894 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (1158360).

Almost surely, 2^13802789 is an apocalyptic number.

It is an amenable number.

13802789 is a deficient number, since it is larger than the sum of its proper divisors (4730971).

13802789 is a wasteful number, since it uses less digits than its factorization.

13802789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13820.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 13802789 is about 3715.2104920179. The cubic root of 13802789 is about 239.8771883235.

The spelling of 13802789 in words is "thirteen million, eight hundred two thousand, seven hundred eighty-nine".