11391952 has 60 divisors (see below), whose sum is σ = 26141184. Its totient is φ = 4767360.

The previous prime is 11391937. The next prime is 11391953. The reversal of 11391952 is 25919311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11391953) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 29553 + ... + 29935.

Almost surely, 2^11391952 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 11391952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13070592).

11391952 is an abundant number, since it is smaller than the sum of its proper divisors (14749232).

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

11391952 is a wasteful number, since it uses less digits than its factorization.

11391952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 409 counting only the distinct ones).

The product of its digits is 2430, while the sum is 31.

The square root of 11391952 is about 3375.1965868672. The cubic root of 11391952 is about 225.0087371093.

The spelling of 11391952 in words is "eleven million, three hundred ninety-one thousand, nine hundred fifty-two".