12132251 has 8 divisors (see below), whose sum is σ = 12446784. Its totient is φ = 11820160.

The previous prime is 12132223. The next prime is 12132259. The reversal of 12132251 is 15223121.

It is a happy number.

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 12132251 - 2¹⁴ = 12115867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132259) 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, 13331 + ... + 14211.

It is an arithmetic number, because the mean of its divisors is an integer number (1555848).

Almost surely, 2^12132251 is an apocalyptic number.

12132251 is a deficient number, since it is larger than the sum of its proper divisors (314533).

12132251 is an equidigital number, since it uses as much as digits as its factorization.

12132251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221.

The product of its digits is 120, while the sum is 17.

The square root of 12132251 is about 3483.1380966020. The cubic root of 12132251 is about 229.7808309157.

Adding to 12132251 its reverse (15223121), we get a palindrome (27355372).

The spelling of 12132251 in words is "twelve million, one hundred thirty-two thousand, two hundred fifty-one".