1276416 has 60 divisors (see below), whose sum is σ = 3697122. Its totient is φ = 423936.

The previous prime is 1276409. The next prime is 1276433. The reversal of 1276416 is 6146721.

1276416 is a `hidden beast` number, since 12 + 7 + 641 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1218816 + 57600 = 1104^2 + 240^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1276416.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4470 + ... + 4746.

2^1276416 is an apocalyptic number.

1276416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1276416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848561).

1276416 is an abundant number, since it is smaller than the sum of its proper divisors (2420706).

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

1276416 is an equidigital number, since it uses as much as digits as its factorization.

1276416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 282 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1276416 is about 1129.7858204102. The cubic root of 1276416 is about 108.4752716763.

The spelling of 1276416 in words is "one million, two hundred seventy-six thousand, four hundred sixteen".