12272986 has 8 divisors (see below), whose sum is σ = 20083104. Its totient is φ = 5578620.

The previous prime is 12272983. The next prime is 12272987. The reversal of 12272986 is 68927221.

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

It is not an unprimeable number, because it can be changed into a prime (12272983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278910 + ... + 278953.

It is an arithmetic number, because the mean of its divisors is an integer number (2510388).

Almost surely, 2^12272986 is an apocalyptic number.

12272986 is a deficient number, since it is larger than the sum of its proper divisors (7810118).

12272986 is a wasteful number, since it uses less digits than its factorization.

12272986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557876.

The product of its digits is 24192, while the sum is 37.

The square root of 12272986 is about 3503.2821753322. The cubic root of 12272986 is about 230.6659088522.

The spelling of 12272986 in words is "twelve million, two hundred seventy-two thousand, nine hundred eighty-six".