1340807 has 8 divisors (see below), whose sum is σ = 1529136. Its totient is φ = 1164672.

The previous prime is 1340803. The next prime is 1340827. The reversal of 1340807 is 7080431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1340807 - 2² = 1340803 is a prime.

It is a super-2 number, since 2×1340807² = 3595526822498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340803) 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, 2813 + ... + 3254.

It is an arithmetic number, because the mean of its divisors is an integer number (191142).

2^1340807 is an apocalyptic number.

1340807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1340807 is a deficient number, since it is larger than the sum of its proper divisors (188329).

1340807 is a wasteful number, since it uses less digits than its factorization.

1340807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1340807 is about 1157.9322087238. The cubic root of 1340807 is about 110.2695044532.

The spelling of 1340807 in words is "one million, three hundred forty thousand, eight hundred seven".