13669013 has 2 divisors, whose sum is σ = 13669014. Its totient is φ = 13669012.

The previous prime is 13669009. The next prime is 13669039. The reversal of 13669013 is 31096631.

13669013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13490929 + 178084 = 3673^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 13669013 - 2² = 13669009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13669093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6834506 + 6834507.

It is an arithmetic number, because the mean of its divisors is an integer number (6834507).

Almost surely, 2^13669013 is an apocalyptic number.

It is an amenable number.

13669013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13669013 is an equidigital number, since it uses as much as digits as its factorization.

13669013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13669013 is about 3697.1628311450. The cubic root of 13669013 is about 239.0997115498.

The spelling of 13669013 in words is "thirteen million, six hundred sixty-nine thousand, thirteen".