1340707 has 2 divisors, whose sum is σ = 1340708. Its totient is φ = 1340706.

The previous prime is 1340701. The next prime is 1340723. The reversal of 1340707 is 7070431.

It is a weak prime.

It is an emirp because it is prime and its reverse (7070431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670353 + 670354.

It is an arithmetic number, because the mean of its divisors is an integer number (670354).

2^1340707 is an apocalyptic number.

1340707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340707 is an equidigital number, since it uses as much as digits as its factorization.

1340707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 1340707 is about 1157.8890274979. The cubic root of 1340707 is about 110.2667630135.

The spelling of 1340707 in words is "one million, three hundred forty thousand, seven hundred seven".