12552643 has 4 divisors (see below), whose sum is σ = 12616560. Its totient is φ = 12488728.

The previous prime is 12552637. The next prime is 12552667. The reversal of 12552643 is 34625521.

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 12552643 - 2⁵ = 12552611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12552143) 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, 31663 + ... + 32056.

It is an arithmetic number, because the mean of its divisors is an integer number (3154140).

Almost surely, 2^12552643 is an apocalyptic number.

12552643 is a deficient number, since it is larger than the sum of its proper divisors (63917).

12552643 is an equidigital number, since it uses as much as digits as its factorization.

12552643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63916.

The product of its digits is 7200, while the sum is 28.

The square root of 12552643 is about 3542.9709284723. The cubic root of 12552643 is about 232.4047816053.

The spelling of 12552643 in words is "twelve million, five hundred fifty-two thousand, six hundred forty-three".