12617284 has 6 divisors (see below), whose sum is σ = 22080254. Its totient is φ = 6308640.

The previous prime is 12617257. The next prime is 12617287. The reversal of 12617284 is 48271621.

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 562500 = 3472^2 + 750^2 .

It is not an unprimeable number, because it can be changed into a prime (12617287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577157 + ... + 1577164.

Almost surely, 2^12617284 is an apocalyptic number.

It is an amenable number.

12617284 is a deficient number, since it is larger than the sum of its proper divisors (9462970).

12617284 is a wasteful number, since it uses less digits than its factorization.

12617284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154325 (or 3154323 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 12617284 is about 3552.0816432059. The cubic root of 12617284 is about 232.8030287786.

The spelling of 12617284 in words is "twelve million, six hundred seventeen thousand, two hundred eighty-four".