12621146 has 8 divisors (see below), whose sum is σ = 19160064. Its totient is φ = 6234460.

The previous prime is 12621143. The next prime is 12621151. The reversal of 12621146 is 64112621.

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

It is not an unprimeable number, because it can be changed into a prime (12621143) 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, 37850 + ... + 38181.

It is an arithmetic number, because the mean of its divisors is an integer number (2395008).

Almost surely, 2^12621146 is an apocalyptic number.

12621146 is a deficient number, since it is larger than the sum of its proper divisors (6538918).

12621146 is an equidigital number, since it uses as much as digits as its factorization.

12621146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76116.

The product of its digits is 576, while the sum is 23.

The square root of 12621146 is about 3552.6252265050. The cubic root of 12621146 is about 232.8267790981.

Adding to 12621146 its reverse (64112621), we get a palindrome (76733767).

The spelling of 12621146 in words is "twelve million, six hundred twenty-one thousand, one hundred forty-six".