1299396 has 48 divisors (see below), whose sum is σ = 3584000. Its totient is φ = 358560.

The previous prime is 1299379. The next prime is 1299437. The reversal of 1299396 is 6939921.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2355 + ... + 2853.

2^1299396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1299396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792000).

1299396 is an abundant number, since it is smaller than the sum of its proper divisors (2284604).

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

1299396 is a wasteful number, since it uses less digits than its factorization.

1299396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its digits is 26244, while the sum is 39.

The square root of 1299396 is about 1139.9105228043. The cubic root of 1299396 is about 109.1223830902.

The spelling of 1299396 in words is "one million, two hundred ninety-nine thousand, three hundred ninety-six".