12548969 has 4 divisors (see below), whose sum is σ = 12785796. Its totient is φ = 12312144.

The previous prime is 12548951. The next prime is 12548983. The reversal of 12548969 is 96984521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96984521 = 367 ⋅264263.

It can be written as a sum of positive squares in 2 ways, for example, as 6692569 + 5856400 = 2587^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 12548969 - 2⁸ = 12548713 is a prime.

It is a super-2 number, since 2×12548969² = 314953245925922, which contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 118334 + ... + 118439.

It is an arithmetic number, because the mean of its divisors is an integer number (3196449).

Almost surely, 2^12548969 is an apocalyptic number.

It is an amenable number.

12548969 is a deficient number, since it is larger than the sum of its proper divisors (236827).

12548969 is an equidigital number, since it uses as much as digits as its factorization.

12548969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236826.

The product of its digits is 155520, while the sum is 44.

The square root of 12548969 is about 3542.4523991156. The cubic root of 12548969 is about 232.3821054118.

It can be divided in two parts, 125 and 48969, that added together give a palindrome (49094).

The spelling of 12548969 in words is "twelve million, five hundred forty-eight thousand, nine hundred sixty-nine".