1318811 has 8 divisors (see below), whose sum is σ = 1429680. Its totient is φ = 1209312.

The previous prime is 1318789. The next prime is 1318829. The reversal of 1318811 is 1188131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1318811 - 2¹⁰ = 1317787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1318831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2756 + ... + 3198.

It is an arithmetic number, because the mean of its divisors is an integer number (178710).

2^1318811 is an apocalyptic number.

1318811 is a deficient number, since it is larger than the sum of its proper divisors (110869).

1318811 is a wasteful number, since it uses less digits than its factorization.

1318811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its digits is 192, while the sum is 23.

The square root of 1318811 is about 1148.3949668995. The cubic root of 1318811 is about 109.6631846141.

The spelling of 1318811 in words is "one million, three hundred eighteen thousand, eight hundred eleven".