11745684 has 36 divisors (see below), whose sum is σ = 29795220. Its totient is φ = 3901440.

The previous prime is 11745677. The next prime is 11745689. The reversal of 11745684 is 48654711.

It is a happy number.

11745684 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10112400 + 1633284 = 3180^2 + 1278^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11745684² = 275922185255712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11745689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18004 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (827645).

Almost surely, 2^11745684 is an apocalyptic number.

It is an amenable number.

11745684 is an abundant number, since it is smaller than the sum of its proper divisors (18049536).

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

11745684 is a wasteful number, since it uses less digits than its factorization.

11745684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1155 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 11745684 is about 3427.1976890749. The cubic root of 11745684 is about 227.3139581148.

The spelling of 11745684 in words is "eleven million, seven hundred forty-five thousand, six hundred eighty-four".