12551025 has 24 divisors (see below), whose sum is σ = 21052224. Its totient is φ = 6596800.

The previous prime is 12551017. The next prime is 12551053. The reversal of 12551025 is 52015521.

It is not a de Polignac number, because 12551025 - 2³ = 12551017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12550992 and 12551010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4147 + ... + 6503.

It is an arithmetic number, because the mean of its divisors is an integer number (877176).

Almost surely, 2^12551025 is an apocalyptic number.

12551025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12551025 is a deficient number, since it is larger than the sum of its proper divisors (8501199).

12551025 is a wasteful number, since it uses less digits than its factorization.

12551025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2436 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 12551025 is about 3542.7425816731. The cubic root of 12551025 is about 232.3947957376.

Adding to 12551025 its reverse (52015521), we get a palindrome (64566546).

The spelling of 12551025 in words is "twelve million, five hundred fifty-one thousand, twenty-five".