12464606025 has 63 divisors (see below), whose sum is σ = 23201621431. Its totient is φ = 6639751440.

The previous prime is 12464606003. The next prime is 12464606047. The reversal of 12464606025 is 52060646421.

The square root of 12464606025 is 111645.

It is a perfect power (a square), and thus also a powerful number.

12464606025 is a `hidden beast` number, since 1 + 2 + 4 + 6 + 46 + 0 + 602 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (12464606003) and next prime (12464606047).

It can be written as a sum of positive squares in only one way, i.e., 4487258169 + 7977347856 = 66987^2 + 89316^2 .

It is not a de Polignac number, because 12464606025 - 2⁷ = 12464605897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 15071662 + ... + 15072488.

Almost surely, 2^12464606025 is an apocalyptic number.

12464606025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12464606025 is the 111645-th square number.

12464606025 is the 55823-rd centered octagonal number.

It is an amenable number.

12464606025 is a deficient number, since it is larger than the sum of its proper divisors (10737015406).

12464606025 is an frugal number, since it uses more digits than its factorization.

12464606025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Multiplying 12464606025 by its sum of digits (36), we get a square (448725816900 = 669870²).

The spelling of 12464606025 in words is "twelve billion, four hundred sixty-four million, six hundred six thousand, twenty-five".