1299976 has 16 divisors (see below), whose sum is σ = 2494800. Its totient is φ = 634704.

The previous prime is 1299953. The next prime is 1299979. The reversal of 1299976 is 6799921.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (1299979) 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, 1546 + ... + 2233.

It is an arithmetic number, because the mean of its divisors is an integer number (155925).

2^1299976 is an apocalyptic number.

It is an amenable number.

1299976 is a deficient number, since it is larger than the sum of its proper divisors (1194824).

1299976 is a wasteful number, since it uses less digits than its factorization.

1299976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828 (or 3824 counting only the distinct ones).

The product of its digits is 61236, while the sum is 43.

The square root of 1299976 is about 1140.1649003543. The cubic root of 1299976 is about 109.1386166756.

Subtracting 1299976 from its reverse (6799921), we obtain a palindrome (5499945).

The spelling of 1299976 in words is "one million, two hundred ninety-nine thousand, nine hundred seventy-six".