12516249 has 8 divisors (see below), whose sum is σ = 17139520. Its totient is φ = 8118576.

The previous prime is 12516247. The next prime is 12516253. The reversal of 12516249 is 94261521.

12516249 = 19⁴ + 20⁴ + ... + 36⁴.

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

It is not a de Polignac number, because 12516249 - 2¹ = 12516247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12516247) 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, 56269 + ... + 56490.

It is an arithmetic number, because the mean of its divisors is an integer number (2142440).

Almost surely, 2^12516249 is an apocalyptic number.

It is an amenable number.

12516249 is a deficient number, since it is larger than the sum of its proper divisors (4623271).

12516249 is a wasteful number, since it uses less digits than its factorization.

12516249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112799.

The product of its digits is 4320, while the sum is 30.

The square root of 12516249 is about 3537.8311152456. The cubic root of 12516249 is about 232.1799597074.

The spelling of 12516249 in words is "twelve million, five hundred sixteen thousand, two hundred forty-nine".