13812068 has 6 divisors (see below), whose sum is σ = 24171126. Its totient is φ = 6906032.

The previous prime is 13812067. The next prime is 13812083. The reversal of 13812068 is 86021831.

It can be written as a sum of positive squares in only one way, i.e., 13778944 + 33124 = 3712^2 + 182^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13812068.

It is not an unprimeable number, because it can be changed into a prime (13812061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726505 + ... + 1726512.

It is an arithmetic number, because the mean of its divisors is an integer number (4028521).

Almost surely, 2^13812068 is an apocalyptic number.

It is an amenable number.

13812068 is a deficient number, since it is larger than the sum of its proper divisors (10359058).

13812068 is a wasteful number, since it uses less digits than its factorization.

13812068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453021 (or 3453019 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 13812068 is about 3716.4590674458. The cubic root of 13812068 is about 239.9309291977.

Adding to 13812068 its reverse (86021831), we get a palindrome (99833899).

The spelling of 13812068 in words is "thirteen million, eight hundred twelve thousand, sixty-eight".