1317884 has 6 divisors (see below), whose sum is σ = 2306304. Its totient is φ = 658940.

The previous prime is 1317881. The next prime is 1317887. The reversal of 1317884 is 4887131.

It is an interprime number because it is at equal distance from previous prime (1317881) and next prime (1317887).

It is a self number, because there is not a number n which added to its sum of digits gives 1317884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164732 + ... + 164739.

It is an arithmetic number, because the mean of its divisors is an integer number (384384).

2^1317884 is an apocalyptic number.

It is an amenable number.

1317884 is a deficient number, since it is larger than the sum of its proper divisors (988420).

1317884 is a wasteful number, since it uses less digits than its factorization.

1317884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329475 (or 329473 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 1317884 is about 1147.9912891656. The cubic root of 1317884 is about 109.6374842926.

The spelling of 1317884 in words is "one million, three hundred seventeen thousand, eight hundred eighty-four".