11689542 has 32 divisors (see below), whose sum is σ = 26818560. Its totient is φ = 3770280.

The previous prime is 11689537. The next prime is 11689547. The reversal of 11689542 is 24598611.

11689542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11689537) and next prime (11689547).

It is a junction number, because it is equal to n+sod(n) for n = 11689497 and 11689506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689547) 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, 1818 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (838080).

Almost surely, 2^11689542 is an apocalyptic number.

11689542 is an abundant number, since it is smaller than the sum of its proper divisors (15129018).

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

11689542 is a wasteful number, since it uses less digits than its factorization.

11689542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025 (or 7019 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 11689542 is about 3418.9972214086. The cubic root of 11689542 is about 226.9512079210.

The spelling of 11689542 in words is "eleven million, six hundred eighty-nine thousand, five hundred forty-two".