1447057 has 4 divisors (see below), whose sum is σ = 1532196. Its totient is φ = 1361920.

The previous prime is 1447037. The next prime is 1447063. The reversal of 1447057 is 7507441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7507441 = 107 ⋅70163.

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 201601 = 1116^2 + 449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1447057 is a prime.

It is a super-2 number, since 2×1447057² = 4187947922498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1447007) 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, 42544 + ... + 42577.

It is an arithmetic number, because the mean of its divisors is an integer number (383049).

2^1447057 is an apocalyptic number.

1447057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1447057 is a deficient number, since it is larger than the sum of its proper divisors (85139).

1447057 is an equidigital number, since it uses as much as digits as its factorization.

1447057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85138.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 1447057 is about 1202.9368229462. The cubic root of 1447057 is about 113.1084921426.

The spelling of 1447057 in words is "one million, four hundred forty-seven thousand, fifty-seven".