1318272 has 32 divisors (see below), whose sum is σ = 3502680. Its totient is φ = 439296.

The previous prime is 1318267. The next prime is 1318279. The reversal of 1318272 is 2728131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318279) 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, 1333 + ... + 2100.

2^1318272 is an apocalyptic number.

1318272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1318272 is an abundant number, since it is smaller than the sum of its proper divisors (2184408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1318272 is an equidigital number, since it uses as much as digits as its factorization.

1318272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450 (or 3438 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 1318272 is about 1148.1602675585. The cubic root of 1318272 is about 109.6482427432.

The spelling of 1318272 in words is "one million, three hundred eighteen thousand, two hundred seventy-two".