12645460 has 12 divisors (see below), whose sum is σ = 26555508. Its totient is φ = 5058176.

The previous prime is 12645449. The next prime is 12645461. The reversal of 12645460 is 6454621.

It can be written as a sum of positive squares in 2 ways, for example, as 4613904 + 8031556 = 2148^2 + 2834^2 .

It is a super-2 number, since 2×12645460² = 319815317223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645461) 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, 316117 + ... + 316156.

It is an arithmetic number, because the mean of its divisors is an integer number (2212959).

Almost surely, 2^12645460 is an apocalyptic number.

12645460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12645460 is an abundant number, since it is smaller than the sum of its proper divisors (13910048).

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

12645460 is a wasteful number, since it uses less digits than its factorization.

12645460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632282 (or 632280 counting only the distinct ones).

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

The square root of 12645460 is about 3556.0455565136. The cubic root of 12645460 is about 232.9761928680.

It can be divided in two parts, 1264 and 5460, that added together give a square (6724 = 82²).

The spelling of 12645460 in words is "twelve million, six hundred forty-five thousand, four hundred sixty".