11996544 has 64 divisors (see below), whose sum is σ = 36426240. Its totient is φ = 3426816.

The previous prime is 11996539. The next prime is 11996557. The reversal of 11996544 is 44569911.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457 + ... + 4919.

It is an arithmetic number, because the mean of its divisors is an integer number (569160).

Almost surely, 2^11996544 is an apocalyptic number.

11996544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11996544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18213120).

11996544 is an abundant number, since it is smaller than the sum of its proper divisors (24429696).

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

11996544 is an equidigital number, since it uses as much as digits as its factorization.

11996544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487 (or 4475 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 11996544 is about 3463.6027485842. The cubic root of 11996544 is about 228.9208678869.

The spelling of 11996544 in words is "eleven million, nine hundred ninety-six thousand, five hundred forty-four".