13191608 has 8 divisors (see below), whose sum is σ = 24734280. Its totient is φ = 6595800.

The previous prime is 13191601. The next prime is 13191613. The reversal of 13191608 is 80619131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13191601) 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 as a sum of consecutive naturals, namely, 824468 + ... + 824483.

It is an arithmetic number, because the mean of its divisors is an integer number (3091785).

Almost surely, 2^13191608 is an apocalyptic number.

It is an amenable number.

13191608 is a deficient number, since it is larger than the sum of its proper divisors (11542672).

13191608 is a wasteful number, since it uses less digits than its factorization.

13191608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648957 (or 1648953 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 13191608 is about 3632.0253303081. The cubic root of 13191608 is about 236.2830559459.

The spelling of 13191608 in words is "thirteen million, one hundred ninety-one thousand, six hundred eight".