12270752 has 36 divisors (see below), whose sum is σ = 26170830. Its totient is φ = 5660928.

The previous prime is 12270749. The next prime is 12270757. The reversal of 12270752 is 25707221.

12270752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2808976 + 9461776 = 1676^2 + 3076^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (12270757) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4274 + ... + 6542.

Almost surely, 2^12270752 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 12270752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13085415).

12270752 is an abundant number, since it is smaller than the sum of its proper divisors (13900078).

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

12270752 is a wasteful number, since it uses less digits than its factorization.

12270752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2284 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 12270752 is about 3502.9633169647. The cubic root of 12270752 is about 230.6519122880.

Adding to 12270752 its reverse (25707221), we get a palindrome (37977973).

The spelling of 12270752 in words is "twelve million, two hundred seventy thousand, seven hundred fifty-two".