12103249 has 2 divisors, whose sum is σ = 12103250. Its totient is φ = 12103248.

The previous prime is 12103243. The next prime is 12103271. The reversal of 12103249 is 94230121.

12103249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12103271) can be obtained adding 12103249 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8809024 + 3294225 = 2968^2 + 1815^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103249 - 2²¹ = 10006097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12103243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051624 + 6051625.

It is an arithmetic number, because the mean of its divisors is an integer number (6051625).

Almost surely, 2^12103249 is an apocalyptic number.

It is an amenable number.

12103249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103249 is an equidigital number, since it uses as much as digits as its factorization.

12103249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12103249 is about 3478.9724057543. The cubic root of 12103249 is about 229.5975887217.

The spelling of 12103249 in words is "twelve million, one hundred three thousand, two hundred forty-nine".