1279470 has 16 divisors (see below), whose sum is σ = 3070800. Its totient is φ = 341184.

The previous prime is 1279459. The next prime is 1279483. The reversal of 1279470 is 749721.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 42649 = 1279470 / (1 + 2 + 7 + 9 + 4 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21295 + ... + 21354.

It is an arithmetic number, because the mean of its divisors is an integer number (191925).

2^1279470 is an apocalyptic number.

1279470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1279470 is an abundant number, since it is smaller than the sum of its proper divisors (1791330).

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

1279470 is a wasteful number, since it uses less digits than its factorization.

1279470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42659.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1279470 is about 1131.1365965258. The cubic root of 1279470 is about 108.5617167477.

The spelling of 1279470 in words is "one million, two hundred seventy-nine thousand, four hundred seventy".