11669742 has 72 divisors (see below), whose sum is σ = 29930472. Its totient is φ = 3276000.

The previous prime is 11669737. The next prime is 11669747. The reversal of 11669742 is 24796611.

It is an interprime number because it is at equal distance from previous prime (11669737) and next prime (11669747).

It is a junction number, because it is equal to n+sod(n) for n = 11669697 and 11669706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11669747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 89017 + ... + 89147.

It is an arithmetic number, because the mean of its divisors is an integer number (415701).

Almost surely, 2^11669742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11669742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14965236).

11669742 is an abundant number, since it is smaller than the sum of its proper divisors (18260730).

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

11669742 is a wasteful number, since it uses less digits than its factorization.

11669742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 244 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 11669742 is about 3416.1004083604. The cubic root of 11669742 is about 226.8229972108.

The spelling of 11669742 in words is "eleven million, six hundred sixty-nine thousand, seven hundred forty-two".