12421610 has 32 divisors (see below), whose sum is σ = 23794560. Its totient is φ = 4658368.

The previous prime is 12421601. The next prime is 12421621. The reversal of 12421610 is 1612421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11681 + ... + 12699.

It is an arithmetic number, because the mean of its divisors is an integer number (743580).

Almost surely, 2^12421610 is an apocalyptic number.

12421610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421610 is a deficient number, since it is larger than the sum of its proper divisors (11372950).

12421610 is a wasteful number, since it uses less digits than its factorization.

12421610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12421610 is about 3524.4304504416. The cubic root of 12421610 is about 231.5932851334.

It can be divided in two parts, 12421 and 610, that added together give a palindrome (13031).

The spelling of 12421610 in words is "twelve million, four hundred twenty-one thousand, six hundred ten".