13011149 has 4 divisors (see below), whose sum is σ = 13091136. Its totient is φ = 12931164.

The previous prime is 13011133. The next prime is 13011197. The reversal of 13011149 is 94111031.

13011149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13011149 - 2⁴ = 13011133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13011149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13016149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39749 + ... + 40074.

It is an arithmetic number, because the mean of its divisors is an integer number (3272784).

Almost surely, 2^13011149 is an apocalyptic number.

It is an amenable number.

13011149 is a deficient number, since it is larger than the sum of its proper divisors (79987).

13011149 is an equidigital number, since it uses as much as digits as its factorization.

13011149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79986.

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

The square root of 13011149 is about 3607.0970322407. The cubic root of 13011149 is about 235.2006675922.

The spelling of 13011149 in words is "thirteen million, eleven thousand, one hundred forty-nine".