1407287 has 8 divisors (see below), whose sum is σ = 1622016. Its totient is φ = 1195992.

The previous prime is 1407281. The next prime is 1407293. The reversal of 1407287 is 7827041.

It is an interprime number because it is at equal distance from previous prime (1407281) and next prime (1407293).

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

It is not a de Polignac number, because 1407287 - 2⁴ = 1407271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (202752).

2^1407287 is an apocalyptic number.

1407287 is a deficient number, since it is larger than the sum of its proper divisors (214729).

1407287 is a wasteful number, since it uses less digits than its factorization.

1407287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1407287 is about 1186.2912795768. The cubic root of 1407287 is about 112.0626509595.

The spelling of 1407287 in words is "one million, four hundred seven thousand, two hundred eighty-seven".