11724845 has 16 divisors (see below), whose sum is σ = 15880320. Its totient is φ = 8232000.

The previous prime is 11724841. The next prime is 11724847. The reversal of 11724845 is 54842711.

It is a happy number.

11724845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11724845 - 2² = 11724841 is a prime.

It is a super-3 number, since 3×11724845³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11724841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (992520).

Almost surely, 2^11724845 is an apocalyptic number.

It is an amenable number.

11724845 is a deficient number, since it is larger than the sum of its proper divisors (4155475).

11724845 is a wasteful number, since it uses less digits than its factorization.

11724845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396.

The product of its digits is 8960, while the sum is 32.

The square root of 11724845 is about 3424.1561004136. The cubic root of 11724845 is about 227.1794463012.

The spelling of 11724845 in words is "eleven million, seven hundred twenty-four thousand, eight hundred forty-five".