12429394 has 8 divisors (see below), whose sum is σ = 18666108. Its totient is φ = 6207360.

The previous prime is 12429383. The next prime is 12429409. The reversal of 12429394 is 49392421.

12429394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12215025 + 214369 = 3495^2 + 463^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227 + ... + 5134.

Almost surely, 2^12429394 is an apocalyptic number.

12429394 is a deficient number, since it is larger than the sum of its proper divisors (6236714).

12429394 is an equidigital number, since it uses as much as digits as its factorization.

12429394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340.

The product of its digits is 15552, while the sum is 34.

The square root of 12429394 is about 3525.5345693951. The cubic root of 12429394 is about 231.6416509975.

The spelling of 12429394 in words is "twelve million, four hundred twenty-nine thousand, three hundred ninety-four".