12642430 has 16 divisors (see below), whose sum is σ = 23286384. Its totient is φ = 4939200.

The previous prime is 12642397. The next prime is 12642437. The reversal of 12642430 is 3424621.

It is a happy number.

12642430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14271 + ... + 15130.

It is an arithmetic number, because the mean of its divisors is an integer number (1455399).

Almost surely, 2^12642430 is an apocalyptic number.

12642430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12642430 is a deficient number, since it is larger than the sum of its proper divisors (10643954).

12642430 is a wasteful number, since it uses less digits than its factorization.

12642430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29451.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 12642430 is about 3555.6194959529. The cubic root of 12642430 is about 232.9575834421.

The spelling of 12642430 in words is "twelve million, six hundred forty-two thousand, four hundred thirty".