12053272 has 64 divisors (see below), whose sum is σ = 29859840. Its totient is φ = 4416000.

The previous prime is 12053257. The next prime is 12053281. The reversal of 12053272 is 27235021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9897 + ... + 11047.

It is an arithmetic number, because the mean of its divisors is an integer number (466560).

Almost surely, 2^12053272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12053272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14929920).

12053272 is an abundant number, since it is smaller than the sum of its proper divisors (17806568).

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

12053272 is a wasteful number, since it uses less digits than its factorization.

12053272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12053272 is about 3471.7822512364. The cubic root of 12053272 is about 229.2811329572.

Adding to 12053272 its reverse (27235021), we get a palindrome (39288293).

The spelling of 12053272 in words is "twelve million, fifty-three thousand, two hundred seventy-two".