13491208 has 16 divisors (see below), whose sum is σ = 25350480. Its totient is φ = 6731088.

The previous prime is 13491161. The next prime is 13491211. The reversal of 13491208 is 80219431.

It is a happy number.

It is an unprimeable number.

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, 2835 + ... + 5917.

It is an arithmetic number, because the mean of its divisors is an integer number (1584405).

Almost surely, 2^13491208 is an apocalyptic number.

It is an amenable number.

13491208 is a deficient number, since it is larger than the sum of its proper divisors (11859272).

13491208 is a wasteful number, since it uses less digits than its factorization.

13491208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13491208 is about 3673.0379796566. The cubic root of 13491208 is about 238.0584560882.

The spelling of 13491208 in words is "thirteen million, four hundred ninety-one thousand, two hundred eight".