11001072 has 20 divisors (see below), whose sum is σ = 28419560. Its totient is φ = 3667008.

The previous prime is 11001049. The next prime is 11001073. The reversal of 11001072 is 27010011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114547 + ... + 114642.

It is an arithmetic number, because the mean of its divisors is an integer number (1420978).

Almost surely, 2^11001072 is an apocalyptic number.

11001072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001072 is an abundant number, since it is smaller than the sum of its proper divisors (17418488).

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

11001072 is a wasteful number, since it uses less digits than its factorization.

11001072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229200 (or 229194 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 11001072 is about 3316.7863964989. The cubic root of 11001072 is about 222.4052333879.

Adding to 11001072 its reverse (27010011), we get a palindrome (38011083).

The spelling of 11001072 in words is "eleven million, one thousand, seventy-two".