13260139 has 2 divisors, whose sum is σ = 13260140. Its totient is φ = 13260138.

The previous prime is 13260133. The next prime is 13260151. The reversal of 13260139 is 93106231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13260139 - 2¹³ = 13251947 is a prime.

It is a super-3 number, since 3×13260139³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13260133) 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, 6630069 + 6630070.

It is an arithmetic number, because the mean of its divisors is an integer number (6630070).

Almost surely, 2^13260139 is an apocalyptic number.

13260139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13260139 is an equidigital number, since it uses as much as digits as its factorization.

13260139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 13260139 is about 3641.4473770741. The cubic root of 13260139 is about 236.6915164896.

The spelling of 13260139 in words is "thirteen million, two hundred sixty thousand, one hundred thirty-nine".