13149867 has 8 divisors (see below), whose sum is σ = 17610640. Its totient is φ = 8727840.

The previous prime is 13149841. The next prime is 13149887. The reversal of 13149867 is 76894131.

13149867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13149867 - 2⁶ = 13149803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13149827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8884 + ... + 10257.

It is an arithmetic number, because the mean of its divisors is an integer number (2201330).

Almost surely, 2^13149867 is an apocalyptic number.

13149867 is a deficient number, since it is larger than the sum of its proper divisors (4460773).

13149867 is a wasteful number, since it uses less digits than its factorization.

13149867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19373.

The product of its digits is 36288, while the sum is 39.

The square root of 13149867 is about 3626.2745345602. The cubic root of 13149867 is about 236.0335763297.

The spelling of 13149867 in words is "thirteen million, one hundred forty-nine thousand, eight hundred sixty-seven".