13391113 has 2 divisors, whose sum is σ = 13391114. Its totient is φ = 13391112.

The previous prime is 13391093. The next prime is 13391117. The reversal of 13391113 is 31119331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13046544 + 344569 = 3612^2 + 587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13391113 is a prime.

It is not a weakly prime, because it can be changed into another prime (13391117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6695556 + 6695557.

It is an arithmetic number, because the mean of its divisors is an integer number (6695557).

Almost surely, 2^13391113 is an apocalyptic number.

It is an amenable number.

13391113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13391113 is an equidigital number, since it uses as much as digits as its factorization.

13391113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243, while the sum is 22.

The square root of 13391113 is about 3659.3869705184. The cubic root of 13391113 is about 237.4682535591.

The spelling of 13391113 in words is "thirteen million, three hundred ninety-one thousand, one hundred thirteen".