12400630 has 32 divisors (see below), whose sum is σ = 24675840. Its totient is φ = 4449120.

The previous prime is 12400627. The next prime is 12400643. The reversal of 12400630 is 3600421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7977 + ... + 9403.

It is an arithmetic number, because the mean of its divisors is an integer number (771120).

Almost surely, 2^12400630 is an apocalyptic number.

12400630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400630 is a deficient number, since it is larger than the sum of its proper divisors (12275210).

12400630 is a wasteful number, since it uses less digits than its factorization.

12400630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12400630 is about 3521.4528251845. The cubic root of 12400630 is about 231.4628252548.

The spelling of 12400630 in words is "twelve million, four hundred thousand, six hundred thirty".