13698025 has 12 divisors (see below), whose sum is σ = 18530064. Its totient is φ = 9962000.

The previous prime is 13698023. The next prime is 13698053. The reversal of 13698025 is 52089631.

It is not a de Polignac number, because 13698025 - 2¹ = 13698023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13698023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24631 + ... + 25180.

It is an arithmetic number, because the mean of its divisors is an integer number (1544172).

Almost surely, 2^13698025 is an apocalyptic number.

It is an amenable number.

13698025 is a deficient number, since it is larger than the sum of its proper divisors (4832039).

13698025 is a wasteful number, since it uses less digits than its factorization.

13698025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49832 (or 49827 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13698025 is about 3701.0843005800. The cubic root of 13698025 is about 239.2687522585.

The spelling of 13698025 in words is "thirteen million, six hundred ninety-eight thousand, twenty-five".