12652289 has 4 divisors (see below), whose sum is σ = 13625556. Its totient is φ = 11679024.

The previous prime is 12652279. The next prime is 12652303. The reversal of 12652289 is 98225621.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2666689 + 9985600 = 1633^2 + 3160^2 .

It is a cyclic number.

It is not a de Polignac number, because 12652289 - 2¹⁶ = 12586753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12652219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486614 + ... + 486639.

It is an arithmetic number, because the mean of its divisors is an integer number (3406389).

Almost surely, 2^12652289 is an apocalyptic number.

It is an amenable number.

12652289 is a deficient number, since it is larger than the sum of its proper divisors (973267).

12652289 is an equidigital number, since it uses as much as digits as its factorization.

12652289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973266.

The product of its digits is 17280, while the sum is 35.

The square root of 12652289 is about 3557.0056227113. The cubic root of 12652289 is about 233.0181238089.

The spelling of 12652289 in words is "twelve million, six hundred fifty-two thousand, two hundred eighty-nine".