12052428 has 48 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 3844800.

The previous prime is 12052423. The next prime is 12052433. The reversal of 12052428 is 82425021.

It is an interprime number because it is at equal distance from previous prime (12052423) and next prime (12052433).

It is a super-2 number, since 2×12052428² = 290522041390368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12052398 and 12052407.

It is not an unprimeable number, because it can be changed into a prime (12052423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66498 + ... + 66678.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^12052428 is an apocalyptic number.

It is an amenable number.

12052428 is an abundant number, since it is smaller than the sum of its proper divisors (17300532).

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

12052428 is a wasteful number, since it uses less digits than its factorization.

12052428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12052428 is about 3471.6606977065. The cubic root of 12052428 is about 229.2757812211.

Adding to 12052428 its reverse (82425021), we get a palindrome (94477449).

The spelling of 12052428 in words is "twelve million, fifty-two thousand, four hundred twenty-eight".