12251025 has 18 divisors (see below), whose sum is σ = 21943350. Its totient is φ = 6533760.

The previous prime is 12251011. The next prime is 12251039. The reversal of 12251025 is 52015221.

It is an interprime number because it is at equal distance from previous prime (12251011) and next prime (12251039).

It can be written as a sum of positive squares in 3 ways, for example, as 3196944 + 9054081 = 1788^2 + 3009^2 .

It is not a de Polignac number, because 12251025 - 2⁸ = 12250769 is a prime.

It is a super-2 number, since 2×12251025² = 300175227101250, which contains 22 as substring.

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12250989 and 12251007.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27000 + ... + 27449.

It is an arithmetic number, because the mean of its divisors is an integer number (1219075).

Almost surely, 2^12251025 is an apocalyptic number.

12251025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12251025 is a deficient number, since it is larger than the sum of its proper divisors (9692325).

12251025 is a wasteful number, since it uses less digits than its factorization.

12251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54465 (or 54457 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12251025 is about 3500.1464255085. The cubic root of 12251025 is about 230.5282439436.

Adding to 12251025 its reverse (52015221), we get a palindrome (64266246).

The spelling of 12251025 in words is "twelve million, two hundred fifty-one thousand, twenty-five".