12512949 has 8 divisors (see below), whose sum is σ = 17259360. Its totient is φ = 8054256.

The previous prime is 12512947. The next prime is 12512953. The reversal of 12512949 is 94921521.

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

It is not a de Polignac number, because 12512949 - 2¹ = 12512947 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12512947) 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 7 ways as a sum of consecutive naturals, for example, 71827 + ... + 72000.

It is an arithmetic number, because the mean of its divisors is an integer number (2157420).

Almost surely, 2^12512949 is an apocalyptic number.

It is an amenable number.

12512949 is a deficient number, since it is larger than the sum of its proper divisors (4746411).

12512949 is a wasteful number, since it uses less digits than its factorization.

12512949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143859.

The product of its digits is 6480, while the sum is 33.

The square root of 12512949 is about 3537.3646970591. The cubic root of 12512949 is about 232.1595526026.

The spelling of 12512949 in words is "twelve million, five hundred twelve thousand, nine hundred forty-nine".