12420374 has 8 divisors (see below), whose sum is σ = 18815328. Its totient is φ = 6148600.

The previous prime is 12420371. The next prime is 12420379. The reversal of 12420374 is 47302421.

12420374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420371) 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, 30542 + ... + 30945.

It is an arithmetic number, because the mean of its divisors is an integer number (2351916).

Almost surely, 2^12420374 is an apocalyptic number.

12420374 is a deficient number, since it is larger than the sum of its proper divisors (6394954).

12420374 is a wasteful number, since it uses less digits than its factorization.

12420374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61590.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 12420374 is about 3524.2550985989. The cubic root of 12420374 is about 231.5856033918.

Adding to 12420374 its reverse (47302421), we get a palindrome (59722795).

The spelling of 12420374 in words is "twelve million, four hundred twenty thousand, three hundred seventy-four".