13011091 has 2 divisors, whose sum is σ = 13011092. Its totient is φ = 13011090.

The previous prime is 13011079. The next prime is 13011107. The reversal of 13011091 is 19011031.

It is a happy number.

13011091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13011107) can be obtained adding 13011091 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13011091 - 2⁵ = 13011059 is a prime.

It is not a weakly prime, because it can be changed into another prime (13011071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505545 + 6505546.

It is an arithmetic number, because the mean of its divisors is an integer number (6505546).

Almost surely, 2^13011091 is an apocalyptic number.

13011091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011091 is an equidigital number, since it uses as much as digits as its factorization.

13011091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 13011091 is about 3607.0889925257. The cubic root of 13011091 is about 235.2003181058.

The spelling of 13011091 in words is "thirteen million, eleven thousand, ninety-one".