13812037 has 2 divisors, whose sum is σ = 13812038. Its totient is φ = 13812036.

The previous prime is 13812023. The next prime is 13812059. The reversal of 13812037 is 73021831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8767521 + 5044516 = 2961^2 + 2246^2 .

It is a cyclic number.

It is not a de Polignac number, because 13812037 - 2⁷ = 13811909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13812017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906018 + 6906019.

It is an arithmetic number, because the mean of its divisors is an integer number (6906019).

Almost surely, 2^13812037 is an apocalyptic number.

It is an amenable number.

13812037 is a deficient number, since it is larger than the sum of its proper divisors (1).

13812037 is an equidigital number, since it uses as much as digits as its factorization.

13812037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 13812037 is about 3716.4548968069. The cubic root of 13812037 is about 239.9307496962.

Adding to 13812037 its reverse (73021831), we get a palindrome (86833868).

The spelling of 13812037 in words is "thirteen million, eight hundred twelve thousand, thirty-seven".