11641072 has 40 divisors (see below), whose sum is σ = 23994000. Its totient is φ = 5455872.

The previous prime is 11641037. The next prime is 11641087. The reversal of 11641072 is 27014611.

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, 45168 + ... + 45424.

It is an arithmetic number, because the mean of its divisors is an integer number (599850).

Almost surely, 2^11641072 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 11641072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11997000).

11641072 is an abundant number, since it is smaller than the sum of its proper divisors (12352928).

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

11641072 is a wasteful number, since it uses less digits than its factorization.

11641072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11641072 is about 3411.9015226117. The cubic root of 11641072 is about 226.6370934120.

Adding to 11641072 its reverse (27014611), we get a palindrome (38655683).

The spelling of 11641072 in words is "eleven million, six hundred forty-one thousand, seventy-two".