12031453 has 8 divisors (see below), whose sum is σ = 13780800. Its totient is φ = 10289760.

The previous prime is 12031417. The next prime is 12031471. The reversal of 12031453 is 35413021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12031453 is a prime.

It is a super-2 number, since 2×12031453² = 289511722582418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12031453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998 + ... + 5296.

It is an arithmetic number, because the mean of its divisors is an integer number (1722600).

Almost surely, 2^12031453 is an apocalyptic number.

It is an amenable number.

12031453 is a deficient number, since it is larger than the sum of its proper divisors (1749347).

12031453 is an equidigital number, since it uses as much as digits as its factorization.

12031453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12031453 is about 3468.6384937033. The cubic root of 12031453 is about 229.1427000979.

Adding to 12031453 its reverse (35413021), we get a palindrome (47444474).

The spelling of 12031453 in words is "twelve million, thirty-one thousand, four hundred fifty-three".