12572071 has 4 divisors (see below), whose sum is σ = 12628672. Its totient is φ = 12515472.

The previous prime is 12572069. The next prime is 12572123. The reversal of 12572071 is 17027521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12572071 - 2¹ = 12572069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12572671) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27966 + ... + 28411.

It is an arithmetic number, because the mean of its divisors is an integer number (3157168).

Almost surely, 2^12572071 is an apocalyptic number.

12572071 is a deficient number, since it is larger than the sum of its proper divisors (56601).

12572071 is an equidigital number, since it uses as much as digits as its factorization.

12572071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56600.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 12572071 is about 3545.7116352010. The cubic root of 12572071 is about 232.5246191219.

Adding to 12572071 its reverse (17027521), we get a palindrome (29599592).

The spelling of 12572071 in words is "twelve million, five hundred seventy-two thousand, seventy-one".