12452155 has 8 divisors (see below), whose sum is σ = 15290352. Its totient is φ = 9729888.

The previous prime is 12452149. The next prime is 12452159. The reversal of 12452155 is 55125421.

12452155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12452155 - 2³ = 12452147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12452159) 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, 28744 + ... + 29173.

It is an arithmetic number, because the mean of its divisors is an integer number (1911294).

Almost surely, 2^12452155 is an apocalyptic number.

12452155 is a deficient number, since it is larger than the sum of its proper divisors (2838197).

12452155 is an equidigital number, since it uses as much as digits as its factorization.

12452155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57965.

The product of its digits is 2000, while the sum is 25.

The square root of 12452155 is about 3528.7611140456. The cubic root of 12452155 is about 231.7829606644.

Adding to 12452155 its reverse (55125421), we get a palindrome (67577576).

The spelling of 12452155 in words is "twelve million, four hundred fifty-two thousand, one hundred fifty-five".