12252646 has 32 divisors (see below), whose sum is σ = 21902400. Its totient is φ = 5136768.

The previous prime is 12252641. The next prime is 12252649. The reversal of 12252646 is 64625221.

12252646 = T₈₃ + T₈₄ + ... + T₄₁₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36190 + ... + 36526.

It is an arithmetic number, because the mean of its divisors is an integer number (684450).

Almost surely, 2^12252646 is an apocalyptic number.

12252646 is a deficient number, since it is larger than the sum of its proper divisors (9649754).

12252646 is an equidigital number, since it uses as much as digits as its factorization.

12252646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 399 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 12252646 is about 3500.3779795902. The cubic root of 12252646 is about 230.5384109787.

Adding to 12252646 its reverse (64625221), we get a palindrome (76877867).

The spelling of 12252646 in words is "twelve million, two hundred fifty-two thousand, six hundred forty-six".