1279560 has 32 divisors (see below), whose sum is σ = 3839040. Its totient is φ = 341184.

The previous prime is 1279549. The next prime is 1279561. The reversal of 1279560 is 659721.

1279560 is nontrivially palindromic in base 14.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5212 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (119970).

2^1279560 is an apocalyptic number.

1279560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1279560 is an abundant number, since it is smaller than the sum of its proper divisors (2559480).

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

1279560 is a wasteful number, since it uses less digits than its factorization.

1279560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677 (or 10673 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1279560 is about 1131.1763788199. The cubic root of 1279560 is about 108.5642621572.

The spelling of 1279560 in words is "one million, two hundred seventy-nine thousand, five hundred sixty".