11949552 has 80 divisors (see below), whose sum is σ = 34720000. Its totient is φ = 3934656.

The previous prime is 11949547. The next prime is 11949577. The reversal of 11949552 is 25594911.

11949552 is a `hidden beast` number, since 11 + 94 + 9 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59949 + ... + 60147.

It is an arithmetic number, because the mean of its divisors is an integer number (434000).

Almost surely, 2^11949552 is an apocalyptic number.

11949552 is a gapful number since it is divisible by the number (12) 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 11949552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17360000).

11949552 is an abundant number, since it is smaller than the sum of its proper divisors (22770448).

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

11949552 is a wasteful number, since it uses less digits than its factorization.

11949552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 343 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 11949552 is about 3456.8124045137. The cubic root of 11949552 is about 228.6215726295.

The spelling of 11949552 in words is "eleven million, nine hundred forty-nine thousand, five hundred fifty-two".