1352689 has 4 divisors (see below), whose sum is σ = 1456756. Its totient is φ = 1248624.

The previous prime is 1352669. The next prime is 1352749. The reversal of 1352689 is 9862531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 613089 + 739600 = 783^2 + 860^2 .

It is not a de Polignac number, because 1352689 - 2⁵ = 1352657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52014 + ... + 52039.

It is an arithmetic number, because the mean of its divisors is an integer number (364189).

2^1352689 is an apocalyptic number.

It is an amenable number.

1352689 is a deficient number, since it is larger than the sum of its proper divisors (104067).

1352689 is a wasteful number, since it uses less digits than its factorization.

1352689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104066.

The product of its digits is 12960, while the sum is 34.

The square root of 1352689 is about 1163.0515895694. The cubic root of 1352689 is about 110.5942767417.

The spelling of 1352689 in words is "one million, three hundred fifty-two thousand, six hundred eighty-nine".