1264983 has 4 divisors (see below), whose sum is σ = 1686648. Its totient is φ = 843320.

The previous prime is 1264981. The next prime is 1264997. The reversal of 1264983 is 3894621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1264983 - 2¹ = 1264981 is a prime.

It is a D-number.

1264983 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210828 + ... + 210833.

It is an arithmetic number, because the mean of its divisors is an integer number (421662).

2^1264983 is an apocalyptic number.

1264983 is a deficient number, since it is larger than the sum of its proper divisors (421665).

1264983 is an equidigital number, since it uses as much as digits as its factorization.

1264983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421664.

The product of its digits is 10368, while the sum is 33.

The square root of 1264983 is about 1124.7146304730. The cubic root of 1264983 is about 108.1504248184.

The spelling of 1264983 in words is "one million, two hundred sixty-four thousand, nine hundred eighty-three".