12273130 has 16 divisors (see below), whose sum is σ = 22242600. Its totient is φ = 4875712.

The previous prime is 12273109. The next prime is 12273143. The reversal of 12273130 is 3137221.

It can be written as a sum of positive squares in 4 ways, for example, as 8196769 + 4076361 = 2863^2 + 2019^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12273098 and 12273107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629 + ... + 5608.

Almost surely, 2^12273130 is an apocalyptic number.

12273130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12273130 is a deficient number, since it is larger than the sum of its proper divisors (9969470).

12273130 is a wasteful number, since it uses less digits than its factorization.

12273130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8393.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12273130 is about 3503.3027274274. The cubic root of 12273130 is about 230.6668109896. Note that the first 3 decimals are identical.

It can be divided in two parts, 12273 and 130, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 12273130 in words is "twelve million, two hundred seventy-three thousand, one hundred thirty".