1318972 has 12 divisors (see below), whose sum is σ = 2321200. Its totient is φ = 655776.

The previous prime is 1318963. The next prime is 1318973. The reversal of 1318972 is 2798131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33 + ... + 1624.

2^1318972 is an apocalyptic number.

It is an amenable number.

1318972 is a deficient number, since it is larger than the sum of its proper divisors (1002228).

1318972 is a wasteful number, since it uses less digits than its factorization.

1318972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1858 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 1318972 is about 1148.4650625944. The cubic root of 1318972 is about 109.6676469806.

The spelling of 1318972 in words is "one million, three hundred eighteen thousand, nine hundred seventy-two".