12041551 has 2 divisors, whose sum is σ = 12041552. Its totient is φ = 12041550.

The previous prime is 12041527. The next prime is 12041563. The reversal of 12041551 is 15514021.

It is a strong prime.

It is an emirp because it is prime and its reverse (15514021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12041551 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 (12041501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020775 + 6020776.

It is an arithmetic number, because the mean of its divisors is an integer number (6020776).

Almost surely, 2^12041551 is an apocalyptic number.

12041551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12041551 is an equidigital number, since it uses as much as digits as its factorization.

12041551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 12041551 is about 3470.0938027667. The cubic root of 12041551 is about 229.2067886702.

Adding to 12041551 its reverse (15514021), we get a palindrome (27555572).

The spelling of 12041551 in words is "twelve million, forty-one thousand, five hundred fifty-one".