12572437 has 2 divisors, whose sum is σ = 12572438. Its totient is φ = 12572436.

The previous prime is 12572431. The next prime is 12572477. The reversal of 12572437 is 73427521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8608356 + 3964081 = 2934^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 12572437 - 2⁷ = 12572309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12572399 and 12572408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12572431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6286218 + 6286219.

It is an arithmetic number, because the mean of its divisors is an integer number (6286219).

Almost surely, 2^12572437 is an apocalyptic number.

It is an amenable number.

12572437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12572437 is an equidigital number, since it uses as much as digits as its factorization.

12572437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 12572437 is about 3545.7632464675. The cubic root of 12572437 is about 232.5268755305.

Adding to 12572437 its reverse (73427521), we get a palindrome (85999958).

The spelling of 12572437 in words is "twelve million, five hundred seventy-two thousand, four hundred thirty-seven".