13811036 has 6 divisors (see below), whose sum is σ = 24169320. Its totient is φ = 6905516.

The previous prime is 13811029. The next prime is 13811051. The reversal of 13811036 is 63011831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726376 + ... + 1726383.

It is an arithmetic number, because the mean of its divisors is an integer number (4028220).

Almost surely, 2^13811036 is an apocalyptic number.

It is an amenable number.

13811036 is a deficient number, since it is larger than the sum of its proper divisors (10358284).

13811036 is a wasteful number, since it uses less digits than its factorization.

13811036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452763 (or 3452761 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 13811036 is about 3716.3202230163. The cubic root of 13811036 is about 239.9249533877.

Adding to 13811036 its reverse (63011831), we get a palindrome (76822867).

The spelling of 13811036 in words is "thirteen million, eight hundred eleven thousand, thirty-six".