12528737 has 8 divisors (see below), whose sum is σ = 13620096. Its totient is φ = 11455632.

The previous prime is 12528713. The next prime is 12528749. The reversal of 12528737 is 73782521.

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 12528737 - 2¹² = 12524641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12528697 and 12528706.

It is not an unprimeable number, because it can be changed into a prime (12528037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113 + ... + 5894.

It is an arithmetic number, because the mean of its divisors is an integer number (1702512).

Almost surely, 2^12528737 is an apocalyptic number.

It is an amenable number.

12528737 is a deficient number, since it is larger than the sum of its proper divisors (1091359).

12528737 is a wasteful number, since it uses less digits than its factorization.

12528737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127.

The product of its digits is 23520, while the sum is 35.

The square root of 12528737 is about 3539.5955983700. The cubic root of 12528737 is about 232.2571526844.

The spelling of 12528737 in words is "twelve million, five hundred twenty-eight thousand, seven hundred thirty-seven".