1299998 has 8 divisors (see below), whose sum is σ = 2228592. Its totient is φ = 557136.

The previous prime is 1299989. The next prime is 1300021. The reversal of 1299998 is 8999921.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46415 + ... + 46442.

It is an arithmetic number, because the mean of its divisors is an integer number (278574).

2^1299998 is an apocalyptic number.

1299998 is a deficient number, since it is larger than the sum of its proper divisors (928594).

1299998 is an equidigital number, since it uses as much as digits as its factorization.

1299998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92866.

The product of its digits is 104976, while the sum is 47.

The square root of 1299998 is about 1140.1745480408. The cubic root of 1299998 is about 109.1392323372.

The spelling of 1299998 in words is "one million, two hundred ninety-nine thousand, nine hundred ninety-eight".