13811284 has 6 divisors (see below), whose sum is σ = 24169754. Its totient is φ = 6905640.

The previous prime is 13811269. The next prime is 13811297. The reversal of 13811284 is 48211831.

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 3888784 = 3150^2 + 1972^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726407 + ... + 1726414.

Almost surely, 2^13811284 is an apocalyptic number.

It is an amenable number.

13811284 is a deficient number, since it is larger than the sum of its proper divisors (10358470).

13811284 is a wasteful number, since it uses less digits than its factorization.

13811284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452825 (or 3452823 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 13811284 is about 3716.3535892054. The cubic root of 13811284 is about 239.9263894622.

The spelling of 13811284 in words is "thirteen million, eight hundred eleven thousand, two hundred eighty-four".