12045747 has 16 divisors (see below), whose sum is σ = 18536960. Its totient is φ = 6815232.

The previous prime is 12045743. The next prime is 12045749. The reversal of 12045747 is 74754021.

It is not a de Polignac number, because 12045747 - 2² = 12045743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (1158560).

Almost surely, 2^12045747 is an apocalyptic number.

12045747 is a deficient number, since it is larger than the sum of its proper divisors (6491213).

12045747 is a wasteful number, since it uses less digits than its factorization.

12045747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 12045747 is about 3470.6983447139. The cubic root of 12045747 is about 229.2334087182.

Adding to 12045747 its reverse (74754021), we get a palindrome (86799768).

The spelling of 12045747 in words is "twelve million, forty-five thousand, seven hundred forty-seven".