12888031 has 4 divisors (see below), whose sum is σ = 13879432. Its totient is φ = 11896632.

The previous prime is 12888013. The next prime is 12888037. The reversal of 12888031 is 13088821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13088821 = 2543 ⋅5147.

It is a cyclic number.

It is not a de Polignac number, because 12888031 - 2⁹ = 12887519 is a prime.

It is a super-2 number, since 2×12888031² = 332202686113922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12887984 and 12888002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12888037) 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, 495681 + ... + 495706.

It is an arithmetic number, because the mean of its divisors is an integer number (3469858).

Almost surely, 2^12888031 is an apocalyptic number.

12888031 is a deficient number, since it is larger than the sum of its proper divisors (991401).

12888031 is an equidigital number, since it uses as much as digits as its factorization.

12888031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991400.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 12888031 is about 3589.9903899593. The cubic root of 12888031 is about 234.4564531350.

The spelling of 12888031 in words is "twelve million, eight hundred eighty-eight thousand, thirty-one".