13936081 has 8 divisors (see below), whose sum is σ = 14531328. Its totient is φ = 13350000.

The previous prime is 13936079. The next prime is 13936099. The reversal of 13936081 is 18063931.

13936081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13936081 - 2¹ = 13936079 is a prime.

It is a super-2 number, since 2×13936081² = 388428707277122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13936031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906 + ... + 5356.

It is an arithmetic number, because the mean of its divisors is an integer number (1816416).

Almost surely, 2^13936081 is an apocalyptic number.

It is an amenable number.

13936081 is a deficient number, since it is larger than the sum of its proper divisors (595247).

13936081 is a wasteful number, since it uses less digits than its factorization.

13936081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13936081 is about 3733.1060793929. The cubic root of 13936081 is about 240.6468718186.

The spelling of 13936081 in words is "thirteen million, nine hundred thirty-six thousand, eighty-one".