1274656 has 24 divisors (see below), whose sum is σ = 2554524. Its totient is φ = 625920.

The previous prime is 1274633. The next prime is 1274671. The reversal of 1274656 is 6564721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 234256 = 1020^2 + 484^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626 + ... + 2278.

2^1274656 is an apocalyptic number.

1274656 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 1274656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277262).

1274656 is an abundant number, since it is smaller than the sum of its proper divisors (1279868).

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

1274656 is an equidigital number, since it uses as much as digits as its factorization.

1274656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 716 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 1274656 is about 1129.0066430274. The cubic root of 1274656 is about 108.4253913096.

The spelling of 1274656 in words is "one million, two hundred seventy-four thousand, six hundred fifty-six".