12011357 has 2 divisors, whose sum is σ = 12011358. Its totient is φ = 12011356.

The previous prime is 12011323. The next prime is 12011371. The reversal of 12011357 is 75311021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9803161 + 2208196 = 3131^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011357 - 2¹⁴ = 11994973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005678 + 6005679.

It is an arithmetic number, because the mean of its divisors is an integer number (6005679).

Almost surely, 2^12011357 is an apocalyptic number.

It is an amenable number.

12011357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011357 is an equidigital number, since it uses as much as digits as its factorization.

12011357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 12011357 is about 3465.7404692215. The cubic root of 12011357 is about 229.0150508468.

Adding to 12011357 its reverse (75311021), we get a palindrome (87322378).

The spelling of 12011357 in words is "twelve million, eleven thousand, three hundred fifty-seven".