12277552 has 20 divisors (see below), whose sum is σ = 27186256. Its totient is φ = 5261760.

The previous prime is 12277543. The next prime is 12277567. The reversal of 12277552 is 25577221.

It is a super-2 number, since 2×12277552² = 301476566225408, which contains 22 as substring.

It is an unprimeable number.

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, 54699 + ... + 54922.

Almost surely, 2^12277552 is an apocalyptic number.

It is an amenable number.

12277552 is an abundant number, since it is smaller than the sum of its proper divisors (14908704).

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

12277552 is a wasteful number, since it uses less digits than its factorization.

12277552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109636 (or 109630 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 12277552 is about 3503.9337893288. The cubic root of 12277552 is about 230.6945106924.

The spelling of 12277552 in words is "twelve million, two hundred seventy-seven thousand, five hundred fifty-two".