1347025 has 6 divisors (see below), whose sum is σ = 1670342. Its totient is φ = 1077600.

The previous prime is 1347019. The next prime is 1347053. The reversal of 1347025 is 5207431.

1347025 = 139² + 140² + ... + 188².

It can be written as a sum of positive squares in 3 ways, for example, as 94864 + 1252161 = 308^2 + 1119^2 .

It is not a de Polignac number, because 1347025 - 2⁵ = 1346993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1346987 and 1347005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26916 + ... + 26965.

2^1347025 is an apocalyptic number.

It is an amenable number.

1347025 is a deficient number, since it is larger than the sum of its proper divisors (323317).

1347025 is an equidigital number, since it uses as much as digits as its factorization.

1347025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53891 (or 53886 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1347025 is about 1160.6140616070. The cubic root of 1347025 is about 110.4397001115.

The spelling of 1347025 in words is "one million, three hundred forty-seven thousand, twenty-five".