1281412 has 12 divisors (see below), whose sum is σ = 2446416. Its totient is φ = 582440.

The previous prime is 1281407. The next prime is 1281431. The reversal of 1281412 is 2141821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1281412.

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, 14518 + ... + 14605.

It is an arithmetic number, because the mean of its divisors is an integer number (203868).

2^1281412 is an apocalyptic number.

It is an amenable number.

1281412 is a deficient number, since it is larger than the sum of its proper divisors (1165004).

1281412 is a wasteful number, since it uses less digits than its factorization.

1281412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29138 (or 29136 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 1281412 is about 1131.9946996342. The cubic root of 1281412 is about 108.6166145513.

It can be divided in two parts, 128 and 1412, that added together give a triangular number (1540 = T₅₅).

The spelling of 1281412 in words is "one million, two hundred eighty-one thousand, four hundred twelve".