1319889 has 8 divisors (see below), whose sum is σ = 1789920. Its totient is φ = 864896.

The previous prime is 1319869. The next prime is 1319893. The reversal of 1319889 is 9889131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1319889 - 2⁹ = 1319377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1319839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3552 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (223740).

2^1319889 is an apocalyptic number.

It is an amenable number.

1319889 is a deficient number, since it is larger than the sum of its proper divisors (470031).

1319889 is an equidigital number, since it uses as much as digits as its factorization.

1319889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519.

The product of its digits is 15552, while the sum is 39.

The square root of 1319889 is about 1148.8642217425. The cubic root of 1319889 is about 109.6930561467.

The spelling of 1319889 in words is "one million, three hundred nineteen thousand, eight hundred eighty-nine".