1288467 has 10 divisors (see below), whose sum is σ = 1924868. Its totient is φ = 858924.

The previous prime is 1288439. The next prime is 1288487. The reversal of 1288467 is 7648821.

It is not a de Polignac number, because 1288467 - 2¹¹ = 1286419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1288487) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7873 + ... + 8034.

2^1288467 is an apocalyptic number.

1288467 is a deficient number, since it is larger than the sum of its proper divisors (636401).

1288467 is an equidigital number, since it uses as much as digits as its factorization.

1288467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15919 (or 15910 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 1288467 is about 1135.1066029233. The cubic root of 1288467 is about 108.8155846962.

The spelling of 1288467 in words is "one million, two hundred eighty-eight thousand, four hundred sixty-seven".