12052431 has 12 divisors (see below), whose sum is σ = 17582760. Its totient is φ = 7954800.

The previous prime is 12052423. The next prime is 12052433. The reversal of 12052431 is 13425021.

12052431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12052431 - 2³ = 12052423 is a prime.

It is a super-2 number, since 2×12052431² = 290522186019522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5721 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (1465230).

Almost surely, 2^12052431 is an apocalyptic number.

12052431 is a deficient number, since it is larger than the sum of its proper divisors (5530329).

12052431 is a wasteful number, since it uses less digits than its factorization.

12052431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13366 (or 13363 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12052431 is about 3471.6611297763. The cubic root of 12052431 is about 229.2758002443.

Adding to 12052431 its reverse (13425021), we get a palindrome (25477452).

The spelling of 12052431 in words is "twelve million, fifty-two thousand, four hundred thirty-one".