12552543 has 8 divisors (see below), whose sum is σ = 18596400. Its totient is φ = 8368344.

The previous prime is 12552541. The next prime is 12552571. The reversal of 12552543 is 34525521.

It is a happy number.

It is not a de Polignac number, because 12552543 - 2¹ = 12552541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 464909 = 12552543 / (1 + 2 + 5 + 5 + 2 + 5 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232428 + ... + 232481.

It is an arithmetic number, because the mean of its divisors is an integer number (2324550).

Almost surely, 2^12552543 is an apocalyptic number.

12552543 is a deficient number, since it is larger than the sum of its proper divisors (6043857).

12552543 is an equidigital number, since it uses as much as digits as its factorization.

12552543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464918 (or 464912 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 12552543 is about 3542.9568159942. The cubic root of 12552543 is about 232.4041644566.

The spelling of 12552543 in words is "twelve million, five hundred fifty-two thousand, five hundred forty-three".