12572407 has 4 divisors (see below), whose sum is σ = 12713760. Its totient is φ = 12431056.

The previous prime is 12572377. The next prime is 12572419. The reversal of 12572407 is 70427521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70427521 = 3067 ⋅22963.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12572407 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 (12572437) 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 3 ways as a sum of consecutive naturals, for example, 70543 + ... + 70720.

It is an arithmetic number, because the mean of its divisors is an integer number (3178440).

Almost surely, 2^12572407 is an apocalyptic number.

12572407 is a deficient number, since it is larger than the sum of its proper divisors (141353).

12572407 is an equidigital number, since it uses as much as digits as its factorization.

12572407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141352.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12572407 is about 3545.7590160641. The cubic root of 12572407 is about 232.5266905806.

Adding to 12572407 its reverse (70427521), we get a palindrome (82999928).

The spelling of 12572407 in words is "twelve million, five hundred seventy-two thousand, four hundred seven".