1288962 has 24 divisors (see below), whose sum is σ = 2824380. Its totient is φ = 424800.

The previous prime is 1288951. The next prime is 1288967. The reversal of 1288962 is 2698821.

It can be written as a sum of positive squares in 2 ways, for example, as 1279161 + 9801 = 1131^2 + 99^2 .

It is a super-2 number, since 2×1288962² = 3322846074888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1288967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1464 + ... + 2172.

2^1288962 is an apocalyptic number.

1288962 is an abundant number, since it is smaller than the sum of its proper divisors (1535418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1288962 is a wasteful number, since it uses less digits than its factorization.

1288962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 815 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1288962 is about 1135.3246231805. The cubic root of 1288962 is about 108.8295177443.

The spelling of 1288962 in words is "one million, two hundred eighty-eight thousand, nine hundred sixty-two".