1318424 has 16 divisors (see below), whose sum is σ = 2499000. Its totient is φ = 652032.

The previous prime is 1318411. The next prime is 1318441. The reversal of 1318424 is 4248131.

It is a self number, because there is not a number n which added to its sum of digits gives 1318424.

It is a congruent number.

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, 74 + ... + 1625.

2^1318424 is an apocalyptic number.

It is an amenable number.

1318424 is a deficient number, since it is larger than the sum of its proper divisors (1180576).

1318424 is a wasteful number, since it uses less digits than its factorization.

1318424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1798 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1318424 is about 1148.2264585002. The cubic root of 1318424 is about 109.6524568185.

The spelling of 1318424 in words is "one million, three hundred eighteen thousand, four hundred twenty-four".