1405007 has 2 divisors, whose sum is σ = 1405008. Its totient is φ = 1405006.

The previous prime is 1404989. The next prime is 1405009. The reversal of 1405007 is 7005041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1405007 - 2¹⁴ = 1388623 is a prime.

Together with 1405009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1405009) 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 as a sum of consecutive naturals, namely, 702503 + 702504.

It is an arithmetic number, because the mean of its divisors is an integer number (702504).

2^1405007 is an apocalyptic number.

1405007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405007 is an equidigital number, since it uses as much as digits as its factorization.

1405007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1405007 is about 1185.3299118811. The cubic root of 1405007 is about 112.0020992379.

The spelling of 1405007 in words is "one million, four hundred five thousand, seven".