1288974 has 16 divisors (see below), whose sum is σ = 2729808. Its totient is φ = 404352.

The previous prime is 1288967. The next prime is 1288981. The reversal of 1288974 is 4798821.

It is an interprime number because it is at equal distance from previous prime (1288967) and next prime (1288981).

It is a super-2 number, since 2×1288974² = 3322907945352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 6217 + ... + 6420.

It is an arithmetic number, because the mean of its divisors is an integer number (170613).

2^1288974 is an apocalyptic number.

1288974 is an abundant number, since it is smaller than the sum of its proper divisors (1440834).

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

1288974 is a wasteful number, since it uses less digits than its factorization.

1288974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12659.

The product of its digits is 32256, while the sum is 39.

The square root of 1288974 is about 1135.3299080003. The cubic root of 1288974 is about 108.8298554709.

The spelling of 1288974 in words is "one million, two hundred eighty-eight thousand, nine hundred seventy-four".