11954432 has 54 divisors (see below), whose sum is σ = 27787158. Its totient is φ = 5117952.

The previous prime is 11954431. The next prime is 11954443. The reversal of 11954432 is 23445911.

It can be written as a sum of positive squares in only one way, i.e., 9834496 + 2119936 = 3136^2 + 1456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11954395 and 11954404.

It is not an unprimeable number, because it can be changed into a prime (11954431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12068 + ... + 13020.

It is an arithmetic number, because the mean of its divisors is an integer number (514577).

Almost surely, 2^11954432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11954432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13893579).

11954432 is an abundant number, since it is smaller than the sum of its proper divisors (15832726).

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

11954432 is an frugal number, since it uses more digits than its factorization.

11954432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 962 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 11954432 is about 3457.5181850570. The cubic root of 11954432 is about 228.6526901541.

The spelling of 11954432 in words is "eleven million, nine hundred fifty-four thousand, four hundred thirty-two".