12528838 has 8 divisors (see below), whose sum is σ = 21478032. Its totient is φ = 5369496.

The previous prime is 12528823. The next prime is 12528853. The reversal of 12528838 is 83882521.

It is an interprime number because it is at equal distance from previous prime (12528823) and next prime (12528853).

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

It is a junction number, because it is equal to n+sod(n) for n = 12528797 and 12528806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447445 + ... + 447472.

It is an arithmetic number, because the mean of its divisors is an integer number (2684754).

Almost surely, 2^12528838 is an apocalyptic number.

12528838 is a deficient number, since it is larger than the sum of its proper divisors (8949194).

12528838 is an equidigital number, since it uses as much as digits as its factorization.

12528838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894926.

The product of its digits is 30720, while the sum is 37.

The square root of 12528838 is about 3539.6098655078. The cubic root of 12528838 is about 232.2577767938.

It can be divided in two parts, 12528 and 838, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 12528838 in words is "twelve million, five hundred twenty-eight thousand, eight hundred thirty-eight".