12132273 has 8 divisors (see below), whose sum is σ = 16194528. Its totient is φ = 8079104.

The previous prime is 12132259. The next prime is 12132277. The reversal of 12132273 is 37223121.

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

It is a cyclic number.

It is not a de Polignac number, because 12132273 - 2¹³ = 12124081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12132277) 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, 1990 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (2024316).

Almost surely, 2^12132273 is an apocalyptic number.

It is an amenable number.

12132273 is a deficient number, since it is larger than the sum of its proper divisors (4062255).

12132273 is a wasteful number, since it uses less digits than its factorization.

12132273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543.

The product of its digits is 504, while the sum is 21.

The square root of 12132273 is about 3483.1412546723. The cubic root of 12132273 is about 229.7809698065.

Adding to 12132273 its reverse (37223121), we get a palindrome (49355394).

It can be divided in two parts, 1213 and 2273, that added together give a triangular number (3486 = T₈₃).

The spelling of 12132273 in words is "twelve million, one hundred thirty-two thousand, two hundred seventy-three".