12568945 has 8 divisors (see below), whose sum is σ = 15232680. Its totient is φ = 9955200.

The previous prime is 12568931. The next prime is 12568951. The reversal of 12568945 is 54986521.

It can be written as a sum of positive squares in 4 ways, for example, as 790321 + 11778624 = 889^2 + 3432^2 .

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

It is not a de Polignac number, because 12568945 - 2⁹ = 12568433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12568898 and 12568907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11940 + ... + 12949.

It is an arithmetic number, because the mean of its divisors is an integer number (1904085).

Almost surely, 2^12568945 is an apocalyptic number.

It is an amenable number.

12568945 is a deficient number, since it is larger than the sum of its proper divisors (2663735).

12568945 is a wasteful number, since it uses less digits than its factorization.

12568945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24995.

The product of its digits is 86400, while the sum is 40.

The square root of 12568945 is about 3545.2707936066. The cubic root of 12568945 is about 232.5053453891.

It can be divided in two parts, 1256 and 8945, that added together give a palindrome (10201).

The spelling of 12568945 in words is "twelve million, five hundred sixty-eight thousand, nine hundred forty-five".