12901528 has 16 divisors (see below), whose sum is σ = 25242480. Its totient is φ = 6170208.

The previous prime is 12901519. The next prime is 12901541. The reversal of 12901528 is 82510921.

It is a junction number, because it is equal to n+sod(n) for n = 12901496 and 12901505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34875 + ... + 35242.

It is an arithmetic number, because the mean of its divisors is an integer number (1577655).

Almost surely, 2^12901528 is an apocalyptic number.

It is an amenable number.

12901528 is a deficient number, since it is larger than the sum of its proper divisors (12340952).

12901528 is a wasteful number, since it uses less digits than its factorization.

12901528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70146 (or 70142 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12901528 is about 3591.8697081047. The cubic root of 12901528 is about 234.5382694789.

The spelling of 12901528 in words is "twelve million, nine hundred one thousand, five hundred twenty-eight".