13491011 has 2 divisors, whose sum is σ = 13491012. Its totient is φ = 13491010.

The previous prime is 13491001. The next prime is 13491019. The reversal of 13491011 is 11019431.

13491011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13491011 - 2⁶ = 13490947 is a prime.

It is not a weakly prime, because it can be changed into another prime (13491019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6745505 + 6745506.

It is an arithmetic number, because the mean of its divisors is an integer number (6745506).

Almost surely, 2^13491011 is an apocalyptic number.

13491011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13491011 is an equidigital number, since it uses as much as digits as its factorization.

13491011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 13491011 is about 3673.0111625205. The cubic root of 13491011 is about 238.0572973646.

The spelling of 13491011 in words is "thirteen million, four hundred ninety-one thousand, eleven".