13061249 has 2 divisors, whose sum is σ = 13061250. Its totient is φ = 13061248.

The previous prime is 13061239. The next prime is 13061291. The reversal of 13061249 is 94216031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12730624 + 330625 = 3568^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 13061249 - 2¹² = 13057153 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (13061239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6530624 + 6530625.

It is an arithmetic number, because the mean of its divisors is an integer number (6530625).

Almost surely, 2^13061249 is an apocalyptic number.

It is an amenable number.

13061249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13061249 is an equidigital number, since it uses as much as digits as its factorization.

13061249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13061249 is about 3614.0350025975. The cubic root of 13061249 is about 235.5021644432.

The spelling of 13061249 in words is "thirteen million, sixty-one thousand, two hundred forty-nine".