1289414 has 16 divisors (see below), whose sum is σ = 2282496. Its totient is φ = 534600.

The previous prime is 1289411. The next prime is 1289423. The reversal of 1289414 is 4149821.

1289414 = 80² + 81² + ... + 163².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1289411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (142656).

2^1289414 is an apocalyptic number.

1289414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1289414 is a deficient number, since it is larger than the sum of its proper divisors (993082).

1289414 is a wasteful number, since it uses less digits than its factorization.

1289414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011.

The product of its digits is 2304, while the sum is 29.

The square root of 1289414 is about 1135.5236677410. The cubic root of 1289414 is about 108.8422373314.

The spelling of 1289414 in words is "one million, two hundred eighty-nine thousand, four hundred fourteen".