11913736 has 24 divisors (see below), whose sum is σ = 23734170. Its totient is φ = 5605376.

The previous prime is 11913731. The next prime is 11913757. The reversal of 11913736 is 63731911.

It can be written as a sum of positive squares in 3 ways, for example, as 11902500 + 11236 = 3450^2 + 106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11913698 and 11913707.

It is not an unprimeable number, because it can be changed into a prime (11913731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265 + ... + 4888.

Almost surely, 2^11913736 is an apocalyptic number.

It is an amenable number.

11913736 is a deficient number, since it is larger than the sum of its proper divisors (11820434).

11913736 is a wasteful number, since it uses less digits than its factorization.

11913736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193 (or 5172 counting only the distinct ones).

The product of its digits is 3402, while the sum is 31.

The square root of 11913736 is about 3451.6280216733. The cubic root of 11913736 is about 228.3929307316.

The spelling of 11913736 in words is "eleven million, nine hundred thirteen thousand, seven hundred thirty-six".