12888274 has 24 divisors (see below), whose sum is σ = 22613040. Its totient is φ = 5493096.

The previous prime is 12888241. The next prime is 12888277. The reversal of 12888274 is 47288821.

It is a super-2 number, since 2×12888274² = 332215213398152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12888277) 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, 33817 + ... + 34195.

It is an arithmetic number, because the mean of its divisors is an integer number (942210).

Almost surely, 2^12888274 is an apocalyptic number.

12888274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12888274 is a deficient number, since it is larger than the sum of its proper divisors (9724766).

12888274 is a wasteful number, since it uses less digits than its factorization.

12888274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 735 counting only the distinct ones).

The product of its digits is 57344, while the sum is 40.

The square root of 12888274 is about 3590.0242339015. The cubic root of 12888274 is about 234.4579266613.

The spelling of 12888274 in words is "twelve million, eight hundred eighty-eight thousand, two hundred seventy-four".