1350689 has 4 divisors (see below), whose sum is σ = 1362756. Its totient is φ = 1338624.

The previous prime is 1350677. The next prime is 1350697. The reversal of 1350689 is 9860531.

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 555025 + 795664 = 745^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350689 - 2¹² = 1346593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350889) 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, 5864 + ... + 6089.

It is an arithmetic number, because the mean of its divisors is an integer number (340689).

2^1350689 is an apocalyptic number.

It is an amenable number.

1350689 is a deficient number, since it is larger than the sum of its proper divisors (12067).

1350689 is a wasteful number, since it uses less digits than its factorization.

1350689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12066.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1350689 is about 1162.1914644326. The cubic root of 1350689 is about 110.5397439666.

The spelling of 1350689 in words is "one million, three hundred fifty thousand, six hundred eighty-nine".