12103837 has 2 divisors, whose sum is σ = 12103838. Its totient is φ = 12103836.

The previous prime is 12103831. The next prime is 12103841. The reversal of 12103837 is 73830121.

12103837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11978521 + 125316 = 3461^2 + 354^2 .

It is an emirp because it is prime and its reverse (73830121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12103837 - 2³ = 12103829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051918 + 6051919.

It is an arithmetic number, because the mean of its divisors is an integer number (6051919).

Almost surely, 2^12103837 is an apocalyptic number.

It is an amenable number.

12103837 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103837 is an equidigital number, since it uses as much as digits as its factorization.

12103837 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 12103837 is about 3479.0569124405. The cubic root of 12103837 is about 229.6013067645.

Adding to 12103837 its reverse (73830121), we get a palindrome (85933958).

The spelling of 12103837 in words is "twelve million, one hundred three thousand, eight hundred thirty-seven".