11421736 has 32 divisors (see below), whose sum is σ = 22730400. Its totient is φ = 5365440.

The previous prime is 11421721. The next prime is 11421749. The reversal of 11421736 is 63712411.

It is a self number, because there is not a number n which added to its sum of digits gives 11421736.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24546 + ... + 25006.

It is an arithmetic number, because the mean of its divisors is an integer number (710325).

Almost surely, 2^11421736 is an apocalyptic number.

It is an amenable number.

11421736 is a deficient number, since it is larger than the sum of its proper divisors (11308664).

11421736 is a wasteful number, since it uses less digits than its factorization.

11421736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 645 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 11421736 is about 3379.6058941835. The cubic root of 11421736 is about 225.2046598756.

The spelling of 11421736 in words is "eleven million, four hundred twenty-one thousand, seven hundred thirty-six".