1440713 has 8 divisors (see below), whose sum is σ = 1528320. Its totient is φ = 1354320.

The previous prime is 1440707. The next prime is 1440727. The reversal of 1440713 is 3170441.

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

It is a de Polignac number, because none of the positive numbers 2^k-1440713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1440763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (191040).

2^1440713 is an apocalyptic number.

It is an amenable number.

1440713 is a deficient number, since it is larger than the sum of its proper divisors (87607).

1440713 is a wasteful number, since it uses less digits than its factorization.

1440713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1440713 is about 1200.2970465681. The cubic root of 1440713 is about 112.9429581318.

The spelling of 1440713 in words is "one million, four hundred forty thousand, seven hundred thirteen".