12155453 has 4 divisors (see below), whose sum is σ = 12172188. Its totient is φ = 12138720.

The previous prime is 12155447. The next prime is 12155461. The reversal of 12155453 is 35455121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3286969 + 8868484 = 1813^2 + 2978^2 .

It is a cyclic number.

It is not a de Polignac number, because 12155453 - 2⁶ = 12155389 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 (12151453) 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, 7226 + ... + 8747.

It is an arithmetic number, because the mean of its divisors is an integer number (3043047).

Almost surely, 2^12155453 is an apocalyptic number.

It is an amenable number.

12155453 is a deficient number, since it is larger than the sum of its proper divisors (16735).

12155453 is an equidigital number, since it uses as much as digits as its factorization.

12155453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16734.

The product of its digits is 3000, while the sum is 26.

The square root of 12155453 is about 3486.4671230344. The cubic root of 12155453 is about 229.9272170461.

The spelling of 12155453 in words is "twelve million, one hundred fifty-five thousand, four hundred fifty-three".