1648713 has 16 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 977040.

The previous prime is 1648697. The next prime is 1648723. The reversal of 1648713 is 3178461.

1648713 = T₅₄₂ + T₅₄₃ + ... + T₅₅₂.

It is a happy number.

It is not a de Polignac number, because 1648713 - 2⁴ = 1648697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1648723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

2^1648713 is an apocalyptic number.

It is an amenable number.

1648713 is a deficient number, since it is larger than the sum of its proper divisors (802743).

1648713 is a wasteful number, since it uses less digits than its factorization.

1648713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its digits is 4032, while the sum is 30.

The square root of 1648713 is about 1284.0221960698. The cubic root of 1648713 is about 118.1358437457.

The spelling of 1648713 in words is "one million, six hundred forty-eight thousand, seven hundred thirteen".