1489013 has 4 divisors (see below), whose sum is σ = 1576620. Its totient is φ = 1401408.

The previous prime is 1489009. The next prime is 1489021. The reversal of 1489013 is 3109841.

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 786769 + 702244 = 887^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489013 - 2² = 1489009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489003) 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, 43778 + ... + 43811.

It is an arithmetic number, because the mean of its divisors is an integer number (394155).

2^1489013 is an apocalyptic number.

It is an amenable number.

1489013 is a deficient number, since it is larger than the sum of its proper divisors (87607).

1489013 is an equidigital number, since it uses as much as digits as its factorization.

1489013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87606.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1489013 is about 1220.2512036462. The cubic root of 1489013 is about 114.1912507367.

The spelling of 1489013 in words is "one million, four hundred eighty-nine thousand, thirteen".