1056647 has 6 divisors (see below), whose sum is σ = 1115568. Its totient is φ = 1000692.

The previous prime is 1056641. The next prime is 1056659. The reversal of 1056647 is 7466501.

It is not a de Polignac number, because 1056647 - 2¹² = 1052551 is a prime.

It is a super-2 number, since 2×1056647² = 2233005765218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1103 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (185928).

2^1056647 is an apocalyptic number.

1056647 is a deficient number, since it is larger than the sum of its proper divisors (58921).

1056647 is an equidigital number, since it uses as much as digits as its factorization.

1056647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1056647 is about 1027.9333635990. The cubic root of 1056647 is about 101.8536604531.

The spelling of 1056647 in words is "one million, fifty-six thousand, six hundred forty-seven".