12188951 has 2 divisors, whose sum is σ = 12188952. Its totient is φ = 12188950.

The previous prime is 12188941. The next prime is 12188999. The reversal of 12188951 is 15988121.

It is a weak prime.

It is an emirp because it is prime and its reverse (15988121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12188951 - 2²² = 7994647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12188941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6094475 + 6094476.

It is an arithmetic number, because the mean of its divisors is an integer number (6094476).

Almost surely, 2^12188951 is an apocalyptic number.

12188951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12188951 is an equidigital number, since it uses as much as digits as its factorization.

12188951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 35.

The square root of 12188951 is about 3491.2678212936. The cubic root of 12188951 is about 230.1382344821.

The spelling of 12188951 in words is "twelve million, one hundred eighty-eight thousand, nine hundred fifty-one".