1413987 has 8 divisors (see below), whose sum is σ = 1921104. Its totient is φ = 924768.

The previous prime is 1413959. The next prime is 1413991. The reversal of 1413987 is 7893141.

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

It is not a de Polignac number, because 1413987 - 2⁷ = 1413859 is a prime.

1413987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1413487) 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, 4288 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (240138).

2^1413987 is an apocalyptic number.

1413987 is a deficient number, since it is larger than the sum of its proper divisors (507117).

1413987 is an equidigital number, since it uses as much as digits as its factorization.

1413987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8949.

The product of its digits is 6048, while the sum is 33.

The square root of 1413987 is about 1189.1118534436. Note that the first 3 decimals coincide. The cubic root of 1413987 is about 112.2402104217.

The spelling of 1413987 in words is "one million, four hundred thirteen thousand, nine hundred eighty-seven".