12485155 has 8 divisors (see below), whose sum is σ = 15012432. Its totient is φ = 9967968.

The previous prime is 12485141. The next prime is 12485233. The reversal of 12485155 is 55158421.

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 12485155 - 2¹⁹ = 11960867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (1876554).

Almost surely, 2^12485155 is an apocalyptic number.

12485155 is a deficient number, since it is larger than the sum of its proper divisors (2527277).

12485155 is an equidigital number, since it uses as much as digits as its factorization.

12485155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045.

The product of its digits is 8000, while the sum is 31.

The square root of 12485155 is about 3533.4338822171. The cubic root of 12485155 is about 231.9875327724.

The spelling of 12485155 in words is "twelve million, four hundred eighty-five thousand, one hundred fifty-five".