12420710 has 16 divisors (see below), whose sum is σ = 23672736. Its totient is φ = 4675968.

The previous prime is 12420703. The next prime is 12420719. The reversal of 12420710 is 1702421.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36362 + ... + 36701.

It is an arithmetic number, because the mean of its divisors is an integer number (1479546).

Almost surely, 2^12420710 is an apocalyptic number.

12420710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12420710 is a deficient number, since it is larger than the sum of its proper divisors (11252026).

12420710 is a wasteful number, since it uses less digits than its factorization.

12420710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73087.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12420710 is about 3524.3027679245. The cubic root of 12420710 is about 231.5876916826.

The spelling of 12420710 in words is "twelve million, four hundred twenty thousand, seven hundred ten".