1317668 has 12 divisors (see below), whose sum is σ = 2515632. Its totient is φ = 598920.

The previous prime is 1317629. The next prime is 1317671. The reversal of 1317668 is 8667131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14930 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (209636).

2^1317668 is an apocalyptic number.

It is an amenable number.

1317668 is a deficient number, since it is larger than the sum of its proper divisors (1197964).

1317668 is a wasteful number, since it uses less digits than its factorization.

1317668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29962 (or 29960 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 1317668 is about 1147.8972079415. The cubic root of 1317668 is about 109.6314941370.

The spelling of 1317668 in words is "one million, three hundred seventeen thousand, six hundred sixty-eight".