11215452 has 24 divisors (see below), whose sum is σ = 26340496. Its totient is φ = 3714048.

The previous prime is 11215447. The next prime is 11215481. The reversal of 11215452 is 25451211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093 + ... + 4860.

Almost surely, 2^11215452 is an apocalyptic number.

11215452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11215452 is an abundant number, since it is smaller than the sum of its proper divisors (15125044).

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

11215452 is a wasteful number, since it uses less digits than its factorization.

11215452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117 (or 6115 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 11215452 is about 3348.9478944887. The cubic root of 11215452 is about 223.8406338813.

Adding to 11215452 its reverse (25451211), we get a palindrome (36666663).

The spelling of 11215452 in words is "eleven million, two hundred fifteen thousand, four hundred fifty-two".