1279360 has 32 divisors (see below), whose sum is σ = 3060000. Its totient is φ = 511488.

The previous prime is 1279357. The next prime is 1279361. The reversal of 1279360 is 639721.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (95625).

2^1279360 is an apocalyptic number.

1279360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1279360 is an abundant number, since it is smaller than the sum of its proper divisors (1780640).

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

1279360 is an equidigital number, since it uses as much as digits as its factorization.

1279360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1279360 is about 1131.0879718218. The cubic root of 1279360 is about 108.5586055295.

The spelling of 1279360 in words is "one million, two hundred seventy-nine thousand, three hundred sixty".