12801725 has 12 divisors (see below), whose sum is σ = 16710240. Its totient is φ = 9702000.

The previous prime is 12801703. The next prime is 12801751. The reversal of 12801725 is 52710821.

It is not a de Polignac number, because 12801725 - 2⁶ = 12801661 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12801694 and 12801703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13001 + ... + 13950.

It is an arithmetic number, because the mean of its divisors is an integer number (1392520).

Almost surely, 2^12801725 is an apocalyptic number.

It is an amenable number.

12801725 is a deficient number, since it is larger than the sum of its proper divisors (3908515).

12801725 is a wasteful number, since it uses less digits than its factorization.

12801725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26980 (or 26975 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12801725 is about 3577.9498319568. The cubic root of 12801725 is about 233.9319267738.

The spelling of 12801725 in words is "twelve million, eight hundred one thousand, seven hundred twenty-five".