1289914 has 16 divisors (see below), whose sum is σ = 2024352. Its totient is φ = 615888.

The previous prime is 1289881. The next prime is 1289921. The reversal of 1289914 is 4199821.

It is a self number, because there is not a number n which added to its sum of digits gives 1289914.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4417 + ... + 4699.

It is an arithmetic number, because the mean of its divisors is an integer number (126522).

2^1289914 is an apocalyptic number.

1289914 is a deficient number, since it is larger than the sum of its proper divisors (734438).

1289914 is a wasteful number, since it uses less digits than its factorization.

1289914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 5184, while the sum is 34.

The square root of 1289914 is about 1135.7438091401. The cubic root of 1289914 is about 108.8563042088.

The spelling of 1289914 in words is "one million, two hundred eighty-nine thousand, nine hundred fourteen".