12554551 has 8 divisors (see below), whose sum is σ = 13519440. Its totient is φ = 11614848.

The previous prime is 12554533. The next prime is 12554557. The reversal of 12554551 is 15545521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12554551 - 2²¹ = 10457399 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 (12554557) 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, 5256 + ... + 7261.

It is an arithmetic number, because the mean of its divisors is an integer number (1689930).

Almost surely, 2^12554551 is an apocalyptic number.

12554551 is a deficient number, since it is larger than the sum of its proper divisors (964889).

12554551 is a wasteful number, since it uses less digits than its factorization.

12554551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12593.

The product of its digits is 5000, while the sum is 28.

The square root of 12554551 is about 3543.2401837866. The cubic root of 12554551 is about 232.4165561736.

It can be divided in two parts, 1 and 2554551, that added together give a palindrome (2554552).

The spelling of 12554551 in words is "twelve million, five hundred fifty-four thousand, five hundred fifty-one".