1340007 has 8 divisors (see below), whose sum is σ = 1795584. Its totient is φ = 888888.

The previous prime is 1339993. The next prime is 1340011. The reversal of 1340007 is 7000431.

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

It is not a de Polignac number, because 1340007 - 2¹⁸ = 1077863 is a prime.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340047) 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 7 ways as a sum of consecutive naturals, for example, 333 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (224448).

2^1340007 is an apocalyptic number.

1340007 is a deficient number, since it is larger than the sum of its proper divisors (455577).

1340007 is a wasteful number, since it uses less digits than its factorization.

1340007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 1340007 is about 1157.5867138146. The cubic root of 1340007 is about 110.2475691177.

Adding to 1340007 its reverse (7000431), we get a palindrome (8340438).

The spelling of 1340007 in words is "one million, three hundred forty thousand, seven".