13247051 has 2 divisors, whose sum is σ = 13247052. Its totient is φ = 13247050.

The previous prime is 13247041. The next prime is 13247071. The reversal of 13247051 is 15074231.

It is a weak prime.

It is an emirp because it is prime and its reverse (15074231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13247051 - 2¹⁰ = 13246027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13247041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623525 + 6623526.

It is an arithmetic number, because the mean of its divisors is an integer number (6623526).

Almost surely, 2^13247051 is an apocalyptic number.

13247051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247051 is an equidigital number, since it uses as much as digits as its factorization.

13247051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 13247051 is about 3639.6498457956. The cubic root of 13247051 is about 236.6136179013.

The spelling of 13247051 in words is "thirteen million, two hundred forty-seven thousand, fifty-one".