1340912 has 20 divisors (see below), whose sum is σ = 2659800. Its totient is φ = 654528.

The previous prime is 1340903. The next prime is 1340929. The reversal of 1340912 is 2190431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (132990).

2^1340912 is an apocalyptic number.

It is an amenable number.

1340912 is a deficient number, since it is larger than the sum of its proper divisors (1318888).

1340912 is a wasteful number, since it uses less digits than its factorization.

1340912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1340912 is about 1157.9775472780. The cubic root of 1340912 is about 110.2723828182.

The spelling of 1340912 in words is "one million, three hundred forty thousand, nine hundred twelve".