1318472 has 8 divisors (see below), whose sum is σ = 2472150. Its totient is φ = 659232.

The previous prime is 1318463. The next prime is 1318477. The reversal of 1318472 is 2748131.

It can be written as a sum of positive squares in only one way, i.e., 749956 + 568516 = 866^2 + 754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1318477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82397 + ... + 82412.

2^1318472 is an apocalyptic number.

It is an amenable number.

1318472 is a deficient number, since it is larger than the sum of its proper divisors (1153678).

1318472 is a wasteful number, since it uses less digits than its factorization.

1318472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164815 (or 164811 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 1318472 is about 1148.2473601102. The cubic root of 1318472 is about 109.6537875118.

The spelling of 1318472 in words is "one million, three hundred eighteen thousand, four hundred seventy-two".