1299896 has 32 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 577920.

The previous prime is 1299887. The next prime is 1299899. The reversal of 1299896 is 6989921.

It is a super-2 number, since 2×1299896² = 3379459221632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801 + ... + 3231.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2^1299896 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 1299896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360800).

1299896 is an abundant number, since it is smaller than the sum of its proper divisors (1421704).

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

1299896 is a wasteful number, since it uses less digits than its factorization.

1299896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 475 counting only the distinct ones).

The product of its digits is 69984, while the sum is 44.

The square root of 1299896 is about 1140.1298171700. The cubic root of 1299896 is about 109.1363778475.

The spelling of 1299896 in words is "one million, two hundred ninety-nine thousand, eight hundred ninety-six".