11033172 has 36 divisors (see below), whose sum is σ = 28924896. Its totient is φ = 3677400.

The previous prime is 11033171. The next prime is 11033173. The reversal of 11033172 is 27133011.

It is an interprime number because it is at equal distance from previous prime (11033171) and next prime (11033173).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×11033172³ (a number of 22 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4704 + ... + 6647.

Almost surely, 2^11033172 is an apocalyptic number.

11033172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11033172 is an abundant number, since it is smaller than the sum of its proper divisors (17891724).

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

11033172 is a wasteful number, since it uses less digits than its factorization.

11033172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11370 (or 11356 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 11033172 is about 3321.6218929914. The cubic root of 11033172 is about 222.6213418847.

Adding to 11033172 its reverse (27133011), we get a palindrome (38166183).

The spelling of 11033172 in words is "eleven million, thirty-three thousand, one hundred seventy-two".