12549955 has 8 divisors (see below), whose sum is σ = 16429104. Its totient is φ = 9127200.

The previous prime is 12549913. The next prime is 12550001. The reversal of 12549955 is 55994521.

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

It is not a de Polignac number, because 12549955 - 2¹⁵ = 12517187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114036 + ... + 114145.

It is an arithmetic number, because the mean of its divisors is an integer number (2053638).

Almost surely, 2^12549955 is an apocalyptic number.

12549955 is a deficient number, since it is larger than the sum of its proper divisors (3879149).

12549955 is a wasteful number, since it uses less digits than its factorization.

12549955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228197.

The product of its digits is 81000, while the sum is 40.

The square root of 12549955 is about 3542.5915655068. The cubic root of 12549955 is about 232.3881915095.

The spelling of 12549955 in words is "twelve million, five hundred forty-nine thousand, nine hundred fifty-five".