12169632 has 48 divisors (see below), whose sum is σ = 32266080. Its totient is φ = 4015872.

The previous prime is 12169631. The next prime is 12169669. The reversal of 12169632 is 23696121.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12169632.

It is not an unprimeable number, because it can be changed into a prime (12169631) 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 7 ways as a sum of consecutive naturals, for example, 9883 + ... + 11045.

It is an arithmetic number, because the mean of its divisors is an integer number (672210).

Almost surely, 2^12169632 is an apocalyptic number.

12169632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 3488×3489.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12169632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16133040).

12169632 is an abundant number, since it is smaller than the sum of its proper divisors (20096448).

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

12169632 is a wasteful number, since it uses less digits than its factorization.

12169632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1277 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 12169632 is about 3488.4999641680. The cubic root of 12169632 is about 230.0165835554.

The spelling of 12169632 in words is "twelve million, one hundred sixty-nine thousand, six hundred thirty-two".