1288814 has 8 divisors (see below), whose sum is σ = 1939248. Its totient is φ = 642400.

The previous prime is 1288799. The next prime is 1288817. The reversal of 1288814 is 4188821.

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

It is a super-2 number, since 2×1288814² = 3322083053192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288817) 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, 2 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (242406).

2^1288814 is an apocalyptic number.

1288814 is a deficient number, since it is larger than the sum of its proper divisors (650434).

1288814 is a wasteful number, since it uses less digits than its factorization.

1288814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010.

The product of its digits is 4096, while the sum is 32.

The square root of 1288814 is about 1135.2594417137. The cubic root of 1288814 is about 108.8253522776.

It can be divided in two parts, 128881 and 4, that multiplied together give a square (515524 = 718²).

The spelling of 1288814 in words is "one million, two hundred eighty-eight thousand, eight hundred fourteen".