1313608 has 8 divisors (see below), whose sum is σ = 2463030. Its totient is φ = 656800.

The previous prime is 1313597. The next prime is 1313621. The reversal of 1313608 is 8063131.

It can be written as a sum of positive squares in only one way, i.e., 1170724 + 142884 = 1082^2 + 378^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82093 + ... + 82108.

2^1313608 is an apocalyptic number.

It is an amenable number.

1313608 is a deficient number, since it is larger than the sum of its proper divisors (1149422).

1313608 is a wasteful number, since it uses less digits than its factorization.

1313608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164207 (or 164203 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1313608 is about 1146.1273925703. The cubic root of 1313608 is about 109.5187794011.

Adding to 1313608 its reverse (8063131), we get a palindrome (9376739).

The spelling of 1313608 in words is "one million, three hundred thirteen thousand, six hundred eight".