12575645 has 8 divisors (see below), whose sum is σ = 15176160. Its totient is φ = 10003600.

The previous prime is 12575623. The next prime is 12575653. The reversal of 12575645 is 54657521.

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

It is not a de Polignac number, because 12575645 - 2¹⁶ = 12510109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131 + ... + 7920.

It is an arithmetic number, because the mean of its divisors is an integer number (1897020).

Almost surely, 2^12575645 is an apocalyptic number.

It is an amenable number.

12575645 is a deficient number, since it is larger than the sum of its proper divisors (2600515).

12575645 is a wasteful number, since it uses less digits than its factorization.

12575645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14235.

The product of its digits is 42000, while the sum is 35.

The square root of 12575645 is about 3546.2155884830. The cubic root of 12575645 is about 232.5466511391.

It can be divided in two parts, 125 and 75645, that multiplied together give a square (9455625 = 3075²).

The spelling of 12575645 in words is "twelve million, five hundred seventy-five thousand, six hundred forty-five".