13125611 has 2 divisors, whose sum is σ = 13125612. Its totient is φ = 13125610.

The previous prime is 13125569. The next prime is 13125653. The reversal of 13125611 is 11652131.

It is a balanced prime because it is at equal distance from previous prime (13125569) and next prime (13125653).

It is an emirp because it is prime and its reverse (11652131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13125611 - 2¹⁸ = 12863467 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13125691) 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, 6562805 + 6562806.

It is an arithmetic number, because the mean of its divisors is an integer number (6562806).

Almost surely, 2^13125611 is an apocalyptic number.

13125611 is a deficient number, since it is larger than the sum of its proper divisors (1).

13125611 is an equidigital number, since it uses as much as digits as its factorization.

13125611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 20.

The square root of 13125611 is about 3622.9285115773. The cubic root of 13125611 is about 235.8883592905. Note that the first 3 decimals are identical.

Adding to 13125611 its reverse (11652131), we get a palindrome (24777742).

The spelling of 13125611 in words is "thirteen million, one hundred twenty-five thousand, six hundred eleven".