12621430 has 8 divisors (see below), whose sum is σ = 22718592. Its totient is φ = 5048568.

The previous prime is 12621421. The next prime is 12621451. The reversal of 12621430 is 3412621.

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

It is a junction number, because it is equal to n+sod(n) for n = 12621398 and 12621407.

It is a congruent number.

It is an unprimeable number.

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, 631062 + ... + 631081.

It is an arithmetic number, because the mean of its divisors is an integer number (2839824).

Almost surely, 2^12621430 is an apocalyptic number.

12621430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12621430 is a deficient number, since it is larger than the sum of its proper divisors (10097162).

12621430 is a wasteful number, since it uses less digits than its factorization.

12621430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262150.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12621430 is about 3552.6651967220. The cubic root of 12621430 is about 232.8285254347.

The spelling of 12621430 in words is "twelve million, six hundred twenty-one thousand, four hundred thirty".