12253616 has 10 divisors (see below), whose sum is σ = 23741412. Its totient is φ = 6126800.

The previous prime is 12253543. The next prime is 12253621. The reversal of 12253616 is 61635221.

It is a super-2 number, since 2×12253616² = 300302210150912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382910 + ... + 382941.

Almost surely, 2^12253616 is an apocalyptic number.

12253616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12253616 is a deficient number, since it is larger than the sum of its proper divisors (11487796).

12253616 is an equidigital number, since it uses as much as digits as its factorization.

12253616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765859 (or 765853 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 12253616 is about 3500.5165333133. The cubic root of 12253616 is about 230.5444944635.

Adding to 12253616 its reverse (61635221), we get a palindrome (73888837).

The spelling of 12253616 in words is "twelve million, two hundred fifty-three thousand, six hundred sixteen".