11397232 has 90 divisors (see below), whose sum is σ = 28729064. Its totient is φ = 4287360.

The previous prime is 11397227. The next prime is 11397233. The reversal of 11397232 is 23279311.

11397232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11397232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11397233) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 392994 + ... + 393022.

Almost surely, 2^11397232 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 11397232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14364532).

11397232 is an abundant number, since it is smaller than the sum of its proper divisors (17331832).

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

11397232 is a wasteful number, since it uses less digits than its factorization.

11397232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 49 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 11397232 is about 3375.9786729184. The cubic root of 11397232 is about 225.0434944723.

Multiplying 11397232 by its sum of digits (28), we get a square (319122496 = 17864²).

11397232 divided by its sum of digits (28) gives a square (407044 = 638²).

Multiplying 11397232 by its product of digits (2268), we get a square (25848922176 = 160776²).

The spelling of 11397232 in words is "eleven million, three hundred ninety-seven thousand, two hundred thirty-two".