1240716 has 12 divisors (see below), whose sum is σ = 2895032. Its totient is φ = 413568.

The previous prime is 1240709. The next prime is 1240717. The reversal of 1240716 is 6170421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1240692 and 1240701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240717) by changing a digit.

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, 51685 + ... + 51708.

2^1240716 is an apocalyptic number.

It is an amenable number.

1240716 is an abundant number, since it is smaller than the sum of its proper divisors (1654316).

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

1240716 is a wasteful number, since it uses less digits than its factorization.

1240716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103400 (or 103398 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1240716 is about 1113.8743196609. The cubic root of 1240716 is about 107.4543812208.

The spelling of 1240716 in words is "one million, two hundred forty thousand, seven hundred sixteen".