13685801 has 4 divisors (see below), whose sum is σ = 13784400. Its totient is φ = 13587204.

The previous prime is 13685783. The next prime is 13685809. The reversal of 13685801 is 10858631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13685801 - 2¹⁰ = 13684777 is a prime.

It is a super-2 number, since 2×13685801² = 374602298023202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13685809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49091 + ... + 49368.

It is an arithmetic number, because the mean of its divisors is an integer number (3446100).

Almost surely, 2^13685801 is an apocalyptic number.

It is an amenable number.

13685801 is a deficient number, since it is larger than the sum of its proper divisors (98599).

13685801 is an equidigital number, since it uses as much as digits as its factorization.

13685801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98598.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 13685801 is about 3699.4325240501. The cubic root of 13685801 is about 239.1975572824.

The spelling of 13685801 in words is "thirteen million, six hundred eighty-five thousand, eight hundred one".