1317967 has 4 divisors (see below), whose sum is σ = 1506256. Its totient is φ = 1129680.

The previous prime is 1317961. The next prime is 1317971. The reversal of 1317967 is 7697131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7697131 = 13 ⋅592087.

It is a cyclic number.

It is not a de Polignac number, because 1317967 - 2⁷ = 1317839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94134 + ... + 94147.

It is an arithmetic number, because the mean of its divisors is an integer number (376564).

2^1317967 is an apocalyptic number.

1317967 is a deficient number, since it is larger than the sum of its proper divisors (188289).

1317967 is an equidigital number, since it uses as much as digits as its factorization.

1317967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188288.

The product of its digits is 7938, while the sum is 34.

The square root of 1317967 is about 1148.0274386965. The cubic root of 1317967 is about 109.6397858912.

The spelling of 1317967 in words is "one million, three hundred seventeen thousand, nine hundred sixty-seven".