13158049 has 2 divisors, whose sum is σ = 13158050. Its totient is φ = 13158048.

The previous prime is 13158029. The next prime is 13158053. The reversal of 13158049 is 94085131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 17424 = 3625^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 13158049 - 2⁹ = 13157537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13158049.

It is not a weakly prime, because it can be changed into another prime (13158029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6579024 + 6579025.

It is an arithmetic number, because the mean of its divisors is an integer number (6579025).

Almost surely, 2^13158049 is an apocalyptic number.

It is an amenable number.

13158049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13158049 is an equidigital number, since it uses as much as digits as its factorization.

13158049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13158049 is about 3627.4025141966. The cubic root of 13158049 is about 236.0825204576.

The spelling of 13158049 in words is "thirteen million, one hundred fifty-eight thousand, forty-nine".