12646452 has 96 divisors (see below), whose sum is σ = 37418752. Its totient is φ = 3234816.

The previous prime is 12646427. The next prime is 12646463. The reversal of 12646452 is 25464621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40248 + ... + 40560.

Almost surely, 2^12646452 is an apocalyptic number.

12646452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12646452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18709376).

12646452 is an abundant number, since it is smaller than the sum of its proper divisors (24772300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12646452 is a wasteful number, since it uses less digits than its factorization.

12646452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 375 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 12646452 is about 3556.1850345560. The cubic root of 12646452 is about 232.9822848130.

The spelling of 12646452 in words is "twelve million, six hundred forty-six thousand, four hundred fifty-two".