12405034 has 8 divisors (see below), whose sum is σ = 18671940. Its totient is φ = 6181056.

The previous prime is 12405031. The next prime is 12405067. The reversal of 12405034 is 43050421.

12405034 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 8614225 + 3790809 = 2935^2 + 1947^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12405031) 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, 9999 + ... + 11170.

Almost surely, 2^12405034 is an apocalyptic number.

12405034 is a deficient number, since it is larger than the sum of its proper divisors (6266906).

12405034 is a wasteful number, since it uses less digits than its factorization.

12405034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21464.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12405034 is about 3522.0780797705. The cubic root of 12405034 is about 231.4902228314.

Adding to 12405034 its reverse (43050421), we get a palindrome (55455455).

The spelling of 12405034 in words is "twelve million, four hundred five thousand, thirty-four".