12047277 has 8 divisors (see below), whose sum is σ = 17523360. Its totient is φ = 7301360.

The previous prime is 12047257. The next prime is 12047279. The reversal of 12047277 is 77274021.

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

It is not a de Polignac number, because 12047277 - 2⁷ = 12047149 is a prime.

It is a super-2 number, since 2×12047277² = 290273766229458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182502 + ... + 182567.

It is an arithmetic number, because the mean of its divisors is an integer number (2190420).

Almost surely, 2^12047277 is an apocalyptic number.

It is an amenable number.

12047277 is a deficient number, since it is larger than the sum of its proper divisors (5476083).

12047277 is a wasteful number, since it uses less digits than its factorization.

12047277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365083.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12047277 is about 3470.9187544510. The cubic root of 12047277 is about 229.2431137277.

The spelling of 12047277 in words is "twelve million, forty-seven thousand, two hundred seventy-seven".