12277242 has 12 divisors (see below), whose sum is σ = 26600730. Its totient is φ = 4092408.

The previous prime is 12277241. The next prime is 12277253. The reversal of 12277242 is 24277221.

It can be written as a sum of positive squares in only one way, i.e., 6702921 + 5574321 = 2589^2 + 2361^2 .

It is a super-2 number, since 2×12277242² = 301461342253128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12277241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341017 + ... + 341052.

Almost surely, 2^12277242 is an apocalyptic number.

12277242 is an abundant number, since it is smaller than the sum of its proper divisors (14323488).

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

12277242 is a wasteful number, since it uses less digits than its factorization.

12277242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682077 (or 682074 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 12277242 is about 3503.8895530539. The cubic root of 12277242 is about 230.6925690486.

The spelling of 12277242 in words is "twelve million, two hundred seventy-seven thousand, two hundred forty-two".