12548949 has 24 divisors (see below), whose sum is σ = 20492640. Its totient is φ = 6791904.

The previous prime is 12548917. The next prime is 12548951. The reversal of 12548949 is 94984521.

It is not a de Polignac number, because 12548949 - 2⁵ = 12548917 is a prime.

It is a super-2 number, since 2×12548949² = 314952242009202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12548949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12548999) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 547 + ... + 5039.

It is an arithmetic number, because the mean of its divisors is an integer number (853860).

Almost surely, 2^12548949 is an apocalyptic number.

12548949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12548949 is a deficient number, since it is larger than the sum of its proper divisors (7943691).

12548949 is a wasteful number, since it uses less digits than its factorization.

12548949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529 (or 4522 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 12548949 is about 3542.4495762114. The cubic root of 12548949 is about 232.3819819582.

The spelling of 12548949 in words is "twelve million, five hundred forty-eight thousand, nine hundred forty-nine".