12575649 has 8 divisors (see below), whose sum is σ = 17124480. Its totient is φ = 8205296.

The previous prime is 12575623. The next prime is 12575653. The reversal of 12575649 is 94657521.

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 12575649 - 2⁵ = 12575617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12575609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44454 + ... + 44735.

It is an arithmetic number, because the mean of its divisors is an integer number (2140560).

Almost surely, 2^12575649 is an apocalyptic number.

It is an amenable number.

12575649 is a deficient number, since it is larger than the sum of its proper divisors (4548831).

12575649 is an equidigital number, since it uses as much as digits as its factorization.

12575649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89239.

The product of its digits is 75600, while the sum is 39.

The square root of 12575649 is about 3546.2161524645. The cubic root of 12575649 is about 232.5466757948.

The spelling of 12575649 in words is "twelve million, five hundred seventy-five thousand, six hundred forty-nine".