12342549 has 4 divisors (see below), whose sum is σ = 16456736. Its totient is φ = 8228364.

The previous prime is 12342541. The next prime is 12342553. The reversal of 12342549 is 94524321.

12342549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94524321 = 3 ⋅31508107.

It is not a de Polignac number, because 12342549 - 2³ = 12342541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057089 + ... + 2057094.

It is an arithmetic number, because the mean of its divisors is an integer number (4114184).

Almost surely, 2^12342549 is an apocalyptic number.

It is an amenable number.

12342549 is a deficient number, since it is larger than the sum of its proper divisors (4114187).

12342549 is an equidigital number, since it uses as much as digits as its factorization.

12342549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114186.

The product of its digits is 8640, while the sum is 30.

The square root of 12342549 is about 3513.1964078315. The cubic root of 12342549 is about 231.1008910685.

The spelling of 12342549 in words is "twelve million, three hundred forty-two thousand, five hundred forty-nine".