11885742 has 24 divisors (see below), whose sum is σ = 28094040. Its totient is φ = 3601680.

The previous prime is 11885719. The next prime is 11885743. The reversal of 11885742 is 24758811.

11885742 is a `hidden beast` number, since 1 + 1 + 88 + 574 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11885697 and 11885706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885743) 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, 29817 + ... + 30212.

It is an arithmetic number, because the mean of its divisors is an integer number (1170585).

Almost surely, 2^11885742 is an apocalyptic number.

11885742 is an abundant number, since it is smaller than the sum of its proper divisors (16208298).

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

11885742 is a wasteful number, since it uses less digits than its factorization.

11885742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60048 (or 60045 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 11885742 is about 3447.5704488814. The cubic root of 11885742 is about 228.2139035983.

It can be divided in two parts, 118857 and 42, that multiplied together give a palindrome (4991994).

The spelling of 11885742 in words is "eleven million, eight hundred eighty-five thousand, seven hundred forty-two".