12574645 has 8 divisors (see below), whose sum is σ = 15977304. Its totient is φ = 9467904.

The previous prime is 12574643. The next prime is 12574649. The reversal of 12574645 is 54647521.

It can be written as a sum of positive squares in 4 ways, for example, as 4605316 + 7969329 = 2146^2 + 2823^2 .

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 12574645 - 2¹ = 12574643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12574645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12574643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73884 + ... + 74053.

It is an arithmetic number, because the mean of its divisors is an integer number (1997163).

Almost surely, 2^12574645 is an apocalyptic number.

It is an amenable number.

12574645 is a deficient number, since it is larger than the sum of its proper divisors (3402659).

12574645 is a wasteful number, since it uses less digits than its factorization.

12574645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147959.

The product of its digits is 33600, while the sum is 34.

The square root of 12574645 is about 3546.0745903040. The cubic root of 12574645 is about 232.5404870334.

The spelling of 12574645 in words is "twelve million, five hundred seventy-four thousand, six hundred forty-five".