13650725 has 12 divisors (see below), whose sum is σ = 18466080. Its totient is φ = 9927600.

The previous prime is 13650709. The next prime is 13650787. The reversal of 13650725 is 52705631.

It is not a de Polignac number, because 13650725 - 2⁴ = 13650709 is a prime.

It is a Curzon number.

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, 24545 + ... + 25094.

It is an arithmetic number, because the mean of its divisors is an integer number (1538840).

Almost surely, 2^13650725 is an apocalyptic number.

It is an amenable number.

13650725 is a deficient number, since it is larger than the sum of its proper divisors (4815355).

13650725 is a wasteful number, since it uses less digits than its factorization.

13650725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49660 (or 49655 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 13650725 is about 3694.6887554975. The cubic root of 13650725 is about 238.9930321317.

The spelling of 13650725 in words is "thirteen million, six hundred fifty thousand, seven hundred twenty-five".