12429388 has 12 divisors (see below), whose sum is σ = 22453312. Its totient is φ = 6014160.

The previous prime is 12429383. The next prime is 12429409. The reversal of 12429388 is 88392421.

12429388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12429383) 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, 49995 + ... + 50242.

Almost surely, 2^12429388 is an apocalyptic number.

It is an amenable number.

12429388 is a deficient number, since it is larger than the sum of its proper divisors (10023924).

12429388 is a wasteful number, since it uses less digits than its factorization.

12429388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100272 (or 100270 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 12429388 is about 3525.5337184602. The cubic root of 12429388 is about 231.6416137243.

The spelling of 12429388 in words is "twelve million, four hundred twenty-nine thousand, three hundred eighty-eight".