1280674 has 8 divisors (see below), whose sum is σ = 1929708. Its totient is φ = 637440.

The previous prime is 1280659. The next prime is 1280677. The reversal of 1280674 is 4760821.

It can be written as a sum of positive squares in 2 ways, for example, as 1225449 + 55225 = 1107^2 + 235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1280677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847 + ... + 1810.

2^1280674 is an apocalyptic number.

1280674 is a deficient number, since it is larger than the sum of its proper divisors (649034).

1280674 is a wasteful number, since it uses less digits than its factorization.

1280674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1280674 is about 1131.6686794287. The cubic root of 1280674 is about 108.5957587935.

It can be divided in two parts, 12806 and 74, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 1280674 in words is "one million, two hundred eighty thousand, six hundred seventy-four".