12420034 has 32 divisors (see below), whose sum is σ = 21922560. Its totient is φ = 5216400.

The previous prime is 12420029. The next prime is 12420041. The reversal of 12420034 is 43002421.

12420034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12420034² = 308514489122312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17629 + ... + 18319.

It is an arithmetic number, because the mean of its divisors is an integer number (685080).

Almost surely, 2^12420034 is an apocalyptic number.

12420034 is a deficient number, since it is larger than the sum of its proper divisors (9502526).

12420034 is a wasteful number, since it uses less digits than its factorization.

12420034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12420034 is about 3524.2068611249. The cubic root of 12420034 is about 231.5834902020.

Adding to 12420034 its reverse (43002421), we get a palindrome (55422455).

The spelling of 12420034 in words is "twelve million, four hundred twenty thousand, thirty-four".