13045091 has 2 divisors, whose sum is σ = 13045092. Its totient is φ = 13045090.

The previous prime is 13045073. The next prime is 13045139. The reversal of 13045091 is 19054031.

It is a happy number.

13045091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13045091 - 2¹⁴ = 13028707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13045031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522545 + 6522546.

It is an arithmetic number, because the mean of its divisors is an integer number (6522546).

Almost surely, 2^13045091 is an apocalyptic number.

13045091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13045091 is an equidigital number, since it uses as much as digits as its factorization.

13045091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13045091 is about 3611.7988592944. The cubic root of 13045091 is about 235.4050115548.

The spelling of 13045091 in words is "thirteen million, forty-five thousand, ninety-one".