12136667 has 2 divisors, whose sum is σ = 12136668. Its totient is φ = 12136666.

The previous prime is 12136651. The next prime is 12136673. The reversal of 12136667 is 76663121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12136667 - 2⁴ = 12136651 is a prime.

It is equal to p₇₉₆₄₀₆ and since 12136667 and 796406 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12136367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6068333 + 6068334.

It is an arithmetic number, because the mean of its divisors is an integer number (6068334).

Almost surely, 2^12136667 is an apocalyptic number.

12136667 is a deficient number, since it is larger than the sum of its proper divisors (1).

12136667 is an equidigital number, since it uses as much as digits as its factorization.

12136667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 12136667 is about 3483.7719500564. The cubic root of 12136667 is about 229.8087067281.

Adding to 12136667 its reverse (76663121), we get a palindrome (88799788).

The spelling of 12136667 in words is "twelve million, one hundred thirty-six thousand, six hundred sixty-seven".