12142453 has 4 divisors (see below), whose sum is σ = 12149568. Its totient is φ = 12135340.

The previous prime is 12142451. The next prime is 12142499. The reversal of 12142453 is 35424121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12142453 - 2¹ = 12142451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708 + ... + 4978.

It is an arithmetic number, because the mean of its divisors is an integer number (3037392).

Almost surely, 2^12142453 is an apocalyptic number.

It is an amenable number.

12142453 is a deficient number, since it is larger than the sum of its proper divisors (7115).

12142453 is an equidigital number, since it uses as much as digits as its factorization.

12142453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114.

The product of its digits is 960, while the sum is 22.

The square root of 12142453 is about 3484.6022728570. The cubic root of 12142453 is about 229.8452203753.

Adding to 12142453 its reverse (35424121), we get a palindrome (47566574).

The spelling of 12142453 in words is "twelve million, one hundred forty-two thousand, four hundred fifty-three".