13835997 has 12 divisors (see below), whose sum is σ = 22840480. Its totient is φ = 7906248.

The previous prime is 13835989. The next prime is 13836007. The reversal of 13835997 is 79953831.

It is a happy number.

It is not a de Polignac number, because 13835997 - 2³ = 13835989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13835917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109747 + ... + 109872.

Almost surely, 2^13835997 is an apocalyptic number.

It is an amenable number.

13835997 is a deficient number, since it is larger than the sum of its proper divisors (9004483).

13835997 is a wasteful number, since it uses less digits than its factorization.

13835997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219632 (or 219629 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 13835997 is about 3719.6770021065. The cubic root of 13835997 is about 240.0694070092.

The spelling of 13835997 in words is "thirteen million, eight hundred thirty-five thousand, nine hundred ninety-seven".