1299846 has 8 divisors (see below), whose sum is σ = 2599704. Its totient is φ = 433280.

The previous prime is 1299841. The next prime is 1299853. The reversal of 1299846 is 6489921.

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

1299846 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299841) 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 3 ways as a sum of consecutive naturals, for example, 108315 + ... + 108326.

It is an arithmetic number, because the mean of its divisors is an integer number (324963).

2^1299846 is an apocalyptic number.

1299846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1299846 is a wasteful number, since it uses less digits than its factorization.

1299846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216646.

The product of its digits is 31104, while the sum is 39.

The square root of 1299846 is about 1140.1078896315. The cubic root of 1299846 is about 109.1349785333.

It can be divided in two parts, 1299 and 846, that added together give a triangular number (2145 = T₆₅).

The spelling of 1299846 in words is "one million, two hundred ninety-nine thousand, eight hundred forty-six".