12420674 has 8 divisors (see below), whose sum is σ = 21292608. Its totient is φ = 5323140.

The previous prime is 12420673. The next prime is 12420689. The reversal of 12420674 is 47602421.

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

It is a super-2 number, since 2×12420674² = 308546285228552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12420673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443582 + ... + 443609.

It is an arithmetic number, because the mean of its divisors is an integer number (2661576).

Almost surely, 2^12420674 is an apocalyptic number.

12420674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12420674 is a deficient number, since it is larger than the sum of its proper divisors (8871934).

12420674 is an equidigital number, since it uses as much as digits as its factorization.

12420674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887200.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 12420674 is about 3524.2976605276. The cubic root of 12420674 is about 231.5874679390.

The spelling of 12420674 in words is "twelve million, four hundred twenty thousand, six hundred seventy-four".