13491104 has 24 divisors (see below), whose sum is σ = 28975968. Its totient is φ = 6132160.

The previous prime is 13491089. The next prime is 13491109. The reversal of 13491104 is 40119431.

It is a self number, because there is not a number n which added to its sum of digits gives 13491104.

It is not an unprimeable number, because it can be changed into a prime (13491109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18812 + ... + 19515.

It is an arithmetic number, because the mean of its divisors is an integer number (1207332).

Almost surely, 2^13491104 is an apocalyptic number.

It is an amenable number.

13491104 is an abundant number, since it is smaller than the sum of its proper divisors (15484864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13491104 is a wasteful number, since it uses less digits than its factorization.

13491104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38348 (or 38340 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 13491104 is about 3673.0238224112. The cubic root of 13491104 is about 238.0578443776.

The spelling of 13491104 in words is "thirteen million, four hundred ninety-one thousand, one hundred four".