12988275 has 12 divisors (see below), whose sum is σ = 21474072. Its totient is φ = 6927040.

The previous prime is 12988273. The next prime is 12988277. The reversal of 12988275 is 57288921.

It is an interprime number because it is at equal distance from previous prime (12988273) and next prime (12988277).

It is not a de Polignac number, because 12988275 - 2¹ = 12988273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12988273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86514 + ... + 86663.

It is an arithmetic number, because the mean of its divisors is an integer number (1789506).

Almost surely, 2^12988275 is an apocalyptic number.

12988275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12988275 is a deficient number, since it is larger than the sum of its proper divisors (8485797).

12988275 is a wasteful number, since it uses less digits than its factorization.

12988275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173190 (or 173185 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 12988275 is about 3603.9249437245. The cubic root of 12988275 is about 235.0627567417.

The spelling of 12988275 in words is "twelve million, nine hundred eighty-eight thousand, two hundred seventy-five".