1347872 has 24 divisors (see below), whose sum is σ = 2694636. Its totient is φ = 663552.

The previous prime is 1347817. The next prime is 1347877. The reversal of 1347872 is 2787431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1157776 + 190096 = 1076^2 + 436^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 1 + 3² + 4² + 7 + 8 + 7⁷ + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (1347877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048 + ... + 2624.

2^1347872 is an apocalyptic number.

It is an amenable number.

1347872 is a deficient number, since it is larger than the sum of its proper divisors (1346764).

1347872 is an equidigital number, since it uses as much as digits as its factorization.

1347872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 652 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 1347872 is about 1160.9788973104. The cubic root of 1347872 is about 110.4628431679.

The spelling of 1347872 in words is "one million, three hundred forty-seven thousand, eight hundred seventy-two".