12132461 has 4 divisors (see below), whose sum is σ = 13235424. Its totient is φ = 11029500.

The previous prime is 12132457. The next prime is 12132467. The reversal of 12132461 is 16423121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12132461 - 2² = 12132457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551465 + ... + 551486.

It is an arithmetic number, because the mean of its divisors is an integer number (3308856).

Almost surely, 2^12132461 is an apocalyptic number.

12132461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12132461 is a deficient number, since it is larger than the sum of its proper divisors (1102963).

12132461 is a wasteful number, since it uses less digits than its factorization.

12132461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102962.

The product of its digits is 288, while the sum is 20.

The square root of 12132461 is about 3483.1682417018. The cubic root of 12132461 is about 229.7821566849.

Adding to 12132461 its reverse (16423121), we get a palindrome (28555582).

The spelling of 12132461 in words is "twelve million, one hundred thirty-two thousand, four hundred sixty-one".