12541667 has 2 divisors, whose sum is σ = 12541668. Its totient is φ = 12541666.

The previous prime is 12541651. The next prime is 12541673. The reversal of 12541667 is 76614521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12541667 - 2⁴ = 12541651 is a prime.

It is a super-2 number, since 2×12541667² = 314586822277778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12541637) 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, 6270833 + 6270834.

It is an arithmetic number, because the mean of its divisors is an integer number (6270834).

Almost surely, 2^12541667 is an apocalyptic number.

12541667 is a deficient number, since it is larger than the sum of its proper divisors (1).

12541667 is an equidigital number, since it uses as much as digits as its factorization.

12541667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 12541667 is about 3541.4216072080. The cubic root of 12541667 is about 232.3370237969.

The spelling of 12541667 in words is "twelve million, five hundred forty-one thousand, six hundred sixty-seven".