11437972 has 54 divisors (see below), whose sum is σ = 25455402. Its totient is φ = 4457376.

The previous prime is 11437963. The next prime is 11437999. The reversal of 11437972 is 27973411.

11437972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7918596 + 3519376 = 2814^2 + 1876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 170683 + ... + 170749.

Almost surely, 2^11437972 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 11437972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12727701).

11437972 is an abundant number, since it is smaller than the sum of its proper divisors (14017430).

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

11437972 is a wasteful number, since it uses less digits than its factorization.

11437972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 89 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 11437972 is about 3382.0070963852. The cubic root of 11437972 is about 225.3113188426.

The spelling of 11437972 in words is "eleven million, four hundred thirty-seven thousand, nine hundred seventy-two".