12131349 has 8 divisors (see below), whose sum is σ = 16216320. Its totient is φ = 8066976.

The previous prime is 12131347. The next prime is 12131369. The reversal of 12131349 is 94313121.

12131349 = 1157² + 1158² + ... + 1165².

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

It is not a de Polignac number, because 12131349 - 2¹ = 12131347 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131347) 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 7 ways as a sum of consecutive naturals, for example, 3717 + ... + 6170.

It is an arithmetic number, because the mean of its divisors is an integer number (2027040).

Almost surely, 2^12131349 is an apocalyptic number.

It is an amenable number.

12131349 is a deficient number, since it is larger than the sum of its proper divisors (4084971).

12131349 is an equidigital number, since it uses as much as digits as its factorization.

12131349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10299.

The product of its digits is 648, while the sum is 24.

The square root of 12131349 is about 3483.0086132538. The cubic root of 12131349 is about 229.7751362471.

The spelling of 12131349 in words is "twelve million, one hundred thirty-one thousand, three hundred forty-nine".