12243429 has 48 divisors (see below), whose sum is σ = 21265920. Its totient is φ = 6700320.

The previous prime is 12243403. The next prime is 12243431. The reversal of 12243429 is 92434221.

It is a de Polignac number, because none of the positive numbers 2^k-12243429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43122 + ... + 43404.

It is an arithmetic number, because the mean of its divisors is an integer number (443040).

Almost surely, 2^12243429 is an apocalyptic number.

12243429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12243429 is a deficient number, since it is larger than the sum of its proper divisors (9022491).

12243429 is a wasteful number, since it uses less digits than its factorization.

12243429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 339 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12243429 is about 3499.0611597970. The cubic root of 12243429 is about 230.4805893031.

The spelling of 12243429 in words is "twelve million, two hundred forty-three thousand, four hundred twenty-nine".