11017272 has 32 divisors (see below), whose sum is σ = 31478400. Its totient is φ = 3147744.

The previous prime is 11017267. The next prime is 11017277. The reversal of 11017272 is 27271011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11017267) and next prime (11017277).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11017277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32622 + ... + 32957.

It is an arithmetic number, because the mean of its divisors is an integer number (983700).

Almost surely, 2^11017272 is an apocalyptic number.

11017272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11017272 is an abundant number, since it is smaller than the sum of its proper divisors (20461128).

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

11017272 is a wasteful number, since it uses less digits than its factorization.

11017272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65595 (or 65591 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 11017272 is about 3319.2276209986. The cubic root of 11017272 is about 222.5143499561.

Adding to 11017272 its reverse (27271011), we get a palindrome (38288283).

The spelling of 11017272 in words is "eleven million, seventeen thousand, two hundred seventy-two".