13812004 has 12 divisors (see below), whose sum is σ = 25004700. Its totient is φ = 6667808.

The previous prime is 13811977. The next prime is 13812011. The reversal of 13812004 is 40021831.

It can be written as a sum of positive squares in 2 ways, for example, as 4631104 + 9180900 = 2152^2 + 3030^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59419 + ... + 59650.

It is an arithmetic number, because the mean of its divisors is an integer number (2083725).

Almost surely, 2^13812004 is an apocalyptic number.

It is an amenable number.

13812004 is a deficient number, since it is larger than the sum of its proper divisors (11192696).

13812004 is a wasteful number, since it uses less digits than its factorization.

13812004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119102 (or 119100 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 13812004 is about 3716.4504570894. The cubic root of 13812004 is about 239.9305586135.

Adding to 13812004 its reverse (40021831), we get a palindrome (53833835).

The spelling of 13812004 in words is "thirteen million, eight hundred twelve thousand, four".