12420070 has 16 divisors (see below), whose sum is σ = 24076080. Its totient is φ = 4585824.

The previous prime is 12420059. The next prime is 12420097. The reversal of 12420070 is 7002421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47640 + ... + 47899.

It is an arithmetic number, because the mean of its divisors is an integer number (1504755).

Almost surely, 2^12420070 is an apocalyptic number.

12420070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12420070 is a deficient number, since it is larger than the sum of its proper divisors (11656010).

12420070 is a wasteful number, since it uses less digits than its factorization.

12420070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95559.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 12420070 is about 3524.2119686534. The cubic root of 12420070 is about 231.5837139533.

Adding to 12420070 its reverse (7002421), we get a palindrome (19422491).

The spelling of 12420070 in words is "twelve million, four hundred twenty thousand, seventy".