12542911 has 2 divisors, whose sum is σ = 12542912. Its totient is φ = 12542910.

The previous prime is 12542899. The next prime is 12542917. The reversal of 12542911 is 11924521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12542911 - 2¹⁹ = 12018623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12542917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271455 + 6271456.

It is an arithmetic number, because the mean of its divisors is an integer number (6271456).

Almost surely, 2^12542911 is an apocalyptic number.

12542911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12542911 is an equidigital number, since it uses as much as digits as its factorization.

12542911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 25.

The square root of 12542911 is about 3541.5972385352. The cubic root of 12542911 is about 232.3447053303.

The spelling of 12542911 in words is "twelve million, five hundred forty-two thousand, nine hundred eleven".