12356648 has 16 divisors (see below), whose sum is σ = 23549460. Its totient is φ = 6076800.

The previous prime is 12356647. The next prime is 12356657. The reversal of 12356648 is 84665321.

It can be written as a sum of positive squares in 2 ways, for example, as 12124324 + 232324 = 3482^2 + 482^2 .

It is not an unprimeable number, because it can be changed into a prime (12356647) 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, 12173 + ... + 13148.

Almost surely, 2^12356648 is an apocalyptic number.

It is an amenable number.

12356648 is a deficient number, since it is larger than the sum of its proper divisors (11192812).

12356648 is a wasteful number, since it uses less digits than its factorization.

12356648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25388 (or 25384 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 12356648 is about 3515.2024123797. The cubic root of 12356648 is about 231.1888537628.

The spelling of 12356648 in words is "twelve million, three hundred fifty-six thousand, six hundred forty-eight".