13051949 has 2 divisors, whose sum is σ = 13051950. Its totient is φ = 13051948.

The previous prime is 13051933. The next prime is 13051979. The reversal of 13051949 is 94915031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9498724 + 3553225 = 3082^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 13051949 - 2⁴ = 13051933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13051979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6525974 + 6525975.

It is an arithmetic number, because the mean of its divisors is an integer number (6525975).

Almost surely, 2^13051949 is an apocalyptic number.

It is an amenable number.

13051949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13051949 is an equidigital number, since it uses as much as digits as its factorization.

13051949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 13051949 is about 3612.7481229668. The cubic root of 13051949 is about 235.4462563098.

The spelling of 13051949 in words is "thirteen million, fifty-one thousand, nine hundred forty-nine".