12130357 has 2 divisors, whose sum is σ = 12130358. Its totient is φ = 12130356.

The previous prime is 12130351. The next prime is 12130369. The reversal of 12130357 is 75303121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12117361 + 12996 = 3481^2 + 114^2 .

It is an emirp because it is prime and its reverse (75303121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12130357 - 2¹⁹ = 11606069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12130351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065178 + 6065179.

It is an arithmetic number, because the mean of its divisors is an integer number (6065179).

Almost surely, 2^12130357 is an apocalyptic number.

It is an amenable number.

12130357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130357 is an equidigital number, since it uses as much as digits as its factorization.

12130357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 12130357 is about 3482.8662047228. The cubic root of 12130357 is about 229.7688730484.

Adding to 12130357 its reverse (75303121), we get a palindrome (87433478).

The spelling of 12130357 in words is "twelve million, one hundred thirty thousand, three hundred fifty-seven".