1280607 has 16 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 814752.

The previous prime is 1280603. The next prime is 1280623. The reversal of 1280607 is 7060821.

It is not a de Polignac number, because 1280607 - 2² = 1280603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9144 + ... + 9282.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

2^1280607 is an apocalyptic number.

1280607 is a deficient number, since it is larger than the sum of its proper divisors (506913).

1280607 is a wasteful number, since it uses less digits than its factorization.

1280607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1280607 is about 1131.6390767378. The cubic root of 1280607 is about 108.5938649879.

The spelling of 1280607 in words is "one million, two hundred eighty thousand, six hundred seven".