12277000 has 32 divisors (see below), whose sum is σ = 28730520. Its totient is φ = 4910400.

The previous prime is 12276991. The next prime is 12277019. The reversal of 12277000 is 77221.

It can be written as a sum of positive squares in 4 ways, for example, as 1267876 + 11009124 = 1126^2 + 3318^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5139 + ... + 7138.

Almost surely, 2^12277000 is an apocalyptic number.

12277000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12277000 is an abundant number, since it is smaller than the sum of its proper divisors (16453520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12277000 is a wasteful number, since it uses less digits than its factorization.

12277000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12298 (or 12284 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 12277000 is about 3503.8550198317. The cubic root of 12277000 is about 230.6910532910.

The spelling of 12277000 in words is "twelve million, two hundred seventy-seven thousand".