12130553 has 2 divisors, whose sum is σ = 12130554. Its totient is φ = 12130552.

The previous prime is 12130541. The next prime is 12130567. The reversal of 12130553 is 35503121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11377129 + 753424 = 3373^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 12130553 - 2¹⁶ = 12065017 is a prime.

It is not a weakly prime, because it can be changed into another prime (12130523) 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, 6065276 + 6065277.

It is an arithmetic number, because the mean of its divisors is an integer number (6065277).

Almost surely, 2^12130553 is an apocalyptic number.

It is an amenable number.

12130553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130553 is an equidigital number, since it uses as much as digits as its factorization.

12130553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 12130553 is about 3482.8943423538. The cubic root of 12130553 is about 229.7701105623.

Adding to 12130553 its reverse (35503121), we get a palindrome (47633674).

The spelling of 12130553 in words is "twelve million, one hundred thirty thousand, five hundred fifty-three".