1372589 has 4 divisors (see below), whose sum is σ = 1409724. Its totient is φ = 1335456.

The previous prime is 1372583. The next prime is 1372607. The reversal of 1372589 is 9852731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9852731 = 7 ⋅1407533.

It can be written as a sum of positive squares in 2 ways, for example, as 779689 + 592900 = 883^2 + 770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372589 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁷ + 7 + 2²⁰ + 5⁴ + 8⁶ + 9⁵ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372583) 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, 18512 + ... + 18585.

It is an arithmetic number, because the mean of its divisors is an integer number (352431).

2^1372589 is an apocalyptic number.

It is an amenable number.

1372589 is a deficient number, since it is larger than the sum of its proper divisors (37135).

1372589 is an equidigital number, since it uses as much as digits as its factorization.

1372589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37134.

The product of its digits is 15120, while the sum is 35.

The square root of 1372589 is about 1171.5754350446. The cubic root of 1372589 is about 111.1339723700.

The spelling of 1372589 in words is "one million, three hundred seventy-two thousand, five hundred eighty-nine".