12053428 has 6 divisors (see below), whose sum is σ = 21093506. Its totient is φ = 6026712.

The previous prime is 12053423. The next prime is 12053471. The reversal of 12053428 is 82435021.

It can be written as a sum of positive squares in only one way, i.e., 9809424 + 2244004 = 3132^2 + 1498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12053423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506675 + ... + 1506682.

Almost surely, 2^12053428 is an apocalyptic number.

It is an amenable number.

12053428 is a deficient number, since it is larger than the sum of its proper divisors (9040078).

12053428 is a wasteful number, since it uses less digits than its factorization.

12053428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013361 (or 3013359 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12053428 is about 3471.8047180105. The cubic root of 12053428 is about 229.2821221133.

Adding to 12053428 its reverse (82435021), we get a palindrome (94488449).

The spelling of 12053428 in words is "twelve million, fifty-three thousand, four hundred twenty-eight".