12325216 has 24 divisors (see below), whose sum is σ = 24368904. Its totient is φ = 6136320.

The previous prime is 12325211. The next prime is 12325231. The reversal of 12325216 is 61252321.

12325216 = T₂₅₈ + T₂₅₉ + ... + T₄₄₉.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325211) 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, 8376 + ... + 9736.

It is an arithmetic number, because the mean of its divisors is an integer number (1015371).

Almost surely, 2^12325216 is an apocalyptic number.

12325216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12325216 is a deficient number, since it is larger than the sum of its proper divisors (12043688).

12325216 is a wasteful number, since it uses less digits than its factorization.

12325216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 1646 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 12325216 is about 3510.7286992874. The cubic root of 12325216 is about 230.9926598244.

Adding to 12325216 its reverse (61252321), we get a palindrome (73577537).

The spelling of 12325216 in words is "twelve million, three hundred twenty-five thousand, two hundred sixteen".