11021472 has 216 divisors, whose sum is σ = 40334112. Its totient is φ = 2822400.

The previous prime is 11021411. The next prime is 11021473. The reversal of 11021472 is 27412011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11021473) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 155197 + ... + 155267.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

Almost surely, 2^11021472 is an apocalyptic number.

11021472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20167056).

11021472 is an abundant number, since it is smaller than the sum of its proper divisors (29312640).

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

11021472 is a wasteful number, since it uses less digits than its factorization.

11021472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11021472 is about 3319.8602380221. The cubic root of 11021472 is about 222.5426219741.

Adding to 11021472 its reverse (27412011), we get a palindrome (38433483).

The spelling of 11021472 in words is "eleven million, twenty-one thousand, four hundred seventy-two".