12528167 has 4 divisors (see below), whose sum is σ = 13265136. Its totient is φ = 11791200.

The previous prime is 12528161. The next prime is 12528181. The reversal of 12528167 is 76182521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76182521 = 2221 ⋅34301.

It is not a de Polignac number, because 12528167 - 2⁴ = 12528151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368459 + ... + 368492.

It is an arithmetic number, because the mean of its divisors is an integer number (3316284).

Almost surely, 2^12528167 is an apocalyptic number.

12528167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12528167 is a deficient number, since it is larger than the sum of its proper divisors (736969).

12528167 is an equidigital number, since it uses as much as digits as its factorization.

12528167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736968.

The product of its digits is 6720, while the sum is 32.

The square root of 12528167 is about 3539.5150797814. The cubic root of 12528167 is about 232.2536304197.

The spelling of 12528167 in words is "twelve million, five hundred twenty-eight thousand, one hundred sixty-seven".