12703155 has 8 divisors (see below), whose sum is σ = 20325072. Its totient is φ = 6775008.

The previous prime is 12703127. The next prime is 12703157. The reversal of 12703155 is 55130721.

12703155 is digitally balanced in base 3, 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 not a de Polignac number, because 12703155 - 2⁶ = 12703091 is a prime.

It is a super-2 number, since 2×12703155² = 322740293908050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12703157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423424 + ... + 423453.

It is an arithmetic number, because the mean of its divisors is an integer number (2540634).

Almost surely, 2^12703155 is an apocalyptic number.

12703155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12703155 is a deficient number, since it is larger than the sum of its proper divisors (7621917).

12703155 is an equidigital number, since it uses as much as digits as its factorization.

12703155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846885.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 12703155 is about 3564.1485659271. The cubic root of 12703155 is about 233.3299738745.

Adding to 12703155 its reverse (55130721), we get a palindrome (67833876).

The spelling of 12703155 in words is "twelve million, seven hundred three thousand, one hundred fifty-five".