12988442 has 16 divisors (see below), whose sum is σ = 21295872. Its totient is φ = 5914560.

The previous prime is 12988429. The next prime is 12988447. The reversal of 12988442 is 24488921.

It is a junction number, because it is equal to n+sod(n) for n = 12988396 and 12988405.

It is not an unprimeable number, because it can be changed into a prime (12988447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5108 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (1330992).

Almost surely, 2^12988442 is an apocalyptic number.

12988442 is a deficient number, since it is larger than the sum of its proper divisors (8307430).

12988442 is a wasteful number, since it uses less digits than its factorization.

12988442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12373.

The product of its digits is 36864, while the sum is 38.

The square root of 12988442 is about 3603.9481128340. The cubic root of 12988442 is about 235.0637641968.

The spelling of 12988442 in words is "twelve million, nine hundred eighty-eight thousand, four hundred forty-two".