11421696 has 144 divisors (see below), whose sum is σ = 35970480. Its totient is φ = 3194880.

The previous prime is 11421689. The next prime is 11421721. The reversal of 11421696 is 69612411.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878586 + ... + 878598.

It is an arithmetic number, because the mean of its divisors is an integer number (249795).

Almost surely, 2^11421696 is an apocalyptic number.

11421696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11421696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17985240).

11421696 is an abundant number, since it is smaller than the sum of its proper divisors (24548784).

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

11421696 is a wasteful number, since it uses less digits than its factorization.

11421696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 29 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 11421696 is about 3379.5999763286. The cubic root of 11421696 is about 225.2043969793.

The spelling of 11421696 in words is "eleven million, four hundred twenty-one thousand, six hundred ninety-six".