11215272 has 32 divisors (see below), whose sum is σ = 28154880. Its totient is φ = 3722880.

The previous prime is 11215271. The next prime is 11215279. The reversal of 11215272 is 27251211.

It is not an unprimeable number, because it can be changed into a prime (11215271) 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, 5913 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (879840).

Almost surely, 2^11215272 is an apocalyptic number.

11215272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11215272 is an abundant number, since it is smaller than the sum of its proper divisors (16939608).

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

11215272 is a wasteful number, since it uses less digits than its factorization.

11215272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1949 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 11215272 is about 3348.9210202691. The cubic root of 11215272 is about 223.8394363808.

Adding to 11215272 its reverse (27251211), we get a palindrome (38466483).

The spelling of 11215272 in words is "eleven million, two hundred fifteen thousand, two hundred seventy-two".