12357091 has 2 divisors, whose sum is σ = 12357092. Its totient is φ = 12357090.

The previous prime is 12357077. The next prime is 12357119. The reversal of 12357091 is 19075321.

It is an a-pointer prime, because the next prime (12357119) can be obtained adding 12357091 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12357091 - 2¹¹ = 12355043 is a prime.

It is not a weakly prime, because it can be changed into another prime (12357071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6178545 + 6178546.

It is an arithmetic number, because the mean of its divisors is an integer number (6178546).

Almost surely, 2^12357091 is an apocalyptic number.

12357091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12357091 is an equidigital number, since it uses as much as digits as its factorization.

12357091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12357091 is about 3515.2654238336. The cubic root of 12357091 is about 231.1916165249.

The spelling of 12357091 in words is "twelve million, three hundred fifty-seven thousand, ninety-one".