1299852 has 18 divisors (see below), whose sum is σ = 3285828. Its totient is φ = 433272.

The previous prime is 1299841. The next prime is 1299853. The reversal of 1299852 is 2589921.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 36107 = 1299852 / (1 + 2 + 9 + 9 + 8 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (1299853) 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 5 ways as a sum of consecutive naturals, for example, 18018 + ... + 18089.

It is an arithmetic number, because the mean of its divisors is an integer number (182546).

2^1299852 is an apocalyptic number.

1299852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1299852 is an abundant number, since it is smaller than the sum of its proper divisors (1985976).

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

1299852 is a wasteful number, since it uses less digits than its factorization.

1299852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36117 (or 36112 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 1299852 is about 1140.1105209584. The cubic root of 1299852 is about 109.1351464529.

The spelling of 1299852 in words is "one million, two hundred ninety-nine thousand, eight hundred fifty-two".