13012849 has 2 divisors, whose sum is σ = 13012850. Its totient is φ = 13012848.

The previous prime is 13012799. The next prime is 13012859. The reversal of 13012849 is 94821031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10890000 + 2122849 = 3300^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012849 - 2⁷ = 13012721 is a prime.

It is not a weakly prime, because it can be changed into another prime (13012859) 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, 6506424 + 6506425.

It is an arithmetic number, because the mean of its divisors is an integer number (6506425).

Almost surely, 2^13012849 is an apocalyptic number.

It is an amenable number.

13012849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012849 is an equidigital number, since it uses as much as digits as its factorization.

13012849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13012849 is about 3607.3326711020. The cubic root of 13012849 is about 235.2109106979.

It can be divided in two parts, 13012 and 849, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13012849 in words is "thirteen million, twelve thousand, eight hundred forty-nine".