1207983 has 32 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 633600.

The previous prime is 1207981. The next prime is 1208017. The reversal of 1207983 is 3897021.

It is a happy number.

It is not a de Polignac number, because 1207983 - 2¹ = 1207981 is a prime.

1207983 is a lucky number.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1207983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207981) 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 31 ways as a sum of consecutive naturals, for example, 19773 + ... + 19833.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

2^1207983 is an apocalyptic number.

1207983 is a deficient number, since it is larger than the sum of its proper divisors (791889).

1207983 is a wasteful number, since it uses less digits than its factorization.

1207983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1207983 is about 1099.0827994287. The cubic root of 1207983 is about 106.5009808369.

The spelling of 1207983 in words is "one million, two hundred seven thousand, nine hundred eighty-three".