12488981 has 8 divisors (see below), whose sum is σ = 12804480. Its totient is φ = 12175648.

The previous prime is 12488941. The next prime is 12489047. The reversal of 12488981 is 18988421.

12488981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12488981 - 2¹⁰ = 12487957 is a prime.

It is a super-2 number, since 2×12488981² = 311949292836722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12488911) 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, 21665 + ... + 22233.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 2^12488981 is an apocalyptic number.

It is an amenable number.

12488981 is a deficient number, since it is larger than the sum of its proper divisors (315499).

12488981 is an equidigital number, since it uses as much as digits as its factorization.

12488981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its digits is 36864, while the sum is 41.

The square root of 12488981 is about 3533.9752404339. The cubic root of 12488981 is about 232.0112274095.

The spelling of 12488981 in words is "twelve million, four hundred eighty-eight thousand, nine hundred eighty-one".