12988745 has 24 divisors (see below), whose sum is σ = 19586112. Its totient is φ = 8094240.

The previous prime is 12988711. The next prime is 12988747. The reversal of 12988745 is 54788921.

It is not a de Polignac number, because 12988745 - 2⁶ = 12988681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12988696 and 12988705.

It is not an unprimeable number, because it can be changed into a prime (12988747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2702 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (816088).

Almost surely, 2^12988745 is an apocalyptic number.

It is an amenable number.

12988745 is a deficient number, since it is larger than the sum of its proper divisors (6597367).

12988745 is a wasteful number, since it uses less digits than its factorization.

12988745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3090 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 12988745 is about 3603.9901498201. The cubic root of 12988745 is about 235.0655920723.

The spelling of 12988745 in words is "twelve million, nine hundred eighty-eight thousand, seven hundred forty-five".