12988446 has 16 divisors (see below), whose sum is σ = 26208144. Its totient is φ = 4290944.

The previous prime is 12988429. The next prime is 12988447. The reversal of 12988446 is 64488921.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12988398 and 12988407.

It is a congruent number.

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, 8901 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (1638009).

Almost surely, 2^12988446 is an apocalyptic number.

12988446 is an abundant number, since it is smaller than the sum of its proper divisors (13219698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12988446 is a wasteful number, since it uses less digits than its factorization.

12988446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19275.

The product of its digits is 110592, while the sum is 42.

The square root of 12988446 is about 3603.9486677809. The cubic root of 12988446 is about 235.0637883273.

The spelling of 12988446 in words is "twelve million, nine hundred eighty-eight thousand, four hundred forty-six".