12380453 has 2 divisors, whose sum is σ = 12380454. Its totient is φ = 12380452.

The previous prime is 12380449. The next prime is 12380491. The reversal of 12380453 is 35408321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10355524 + 2024929 = 3218^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 12380453 - 2² = 12380449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12380413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6190226 + 6190227.

It is an arithmetic number, because the mean of its divisors is an integer number (6190227).

Almost surely, 2^12380453 is an apocalyptic number.

It is an amenable number.

12380453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12380453 is an equidigital number, since it uses as much as digits as its factorization.

12380453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12380453 is about 3518.5867901759. The cubic root of 12380453 is about 231.3372197900.

Adding to 12380453 its reverse (35408321), we get a palindrome (47788774).

The spelling of 12380453 in words is "twelve million, three hundred eighty thousand, four hundred fifty-three".