12612016 has 20 divisors (see below), whose sum is σ = 24732792. Its totient is φ = 6229376.

The previous prime is 12612001. The next prime is 12612091. The reversal of 12612016 is 61021621.

It is a junction number, because it is equal to n+sod(n) for n = 12611984 and 12612002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421 + ... + 6076.

Almost surely, 2^12612016 is an apocalyptic number.

12612016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12612016 is a deficient number, since it is larger than the sum of its proper divisors (12120776).

12612016 is an equidigital number, since it uses as much as digits as its factorization.

12612016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588 (or 9582 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12612016 is about 3551.3400287779. The cubic root of 12612016 is about 232.7706241005.

Adding to 12612016 its reverse (61021621), we get a palindrome (73633637).

The spelling of 12612016 in words is "twelve million, six hundred twelve thousand, sixteen".