12935155 has 4 divisors (see below), whose sum is σ = 15522192. Its totient is φ = 10348120.

The previous prime is 12935099. The next prime is 12935159. The reversal of 12935155 is 55153921.

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

It is not a de Polignac number, because 12935155 - 2⁹ = 12934643 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12935159) 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, 1293511 + ... + 1293520.

It is an arithmetic number, because the mean of its divisors is an integer number (3880548).

Almost surely, 2^12935155 is an apocalyptic number.

12935155 is a deficient number, since it is larger than the sum of its proper divisors (2587037).

12935155 is an equidigital number, since it uses as much as digits as its factorization.

12935155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587036.

The product of its digits is 6750, while the sum is 31.

The square root of 12935155 is about 3596.5476501779. The cubic root of 12935155 is about 234.7418623177.

The spelling of 12935155 in words is "twelve million, nine hundred thirty-five thousand, one hundred fifty-five".