13702081 has 4 divisors (see below), whose sum is σ = 13709872. Its totient is φ = 13694292.

The previous prime is 13702069. The next prime is 13702111. The reversal of 13702081 is 18020731.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18020731 = 17 ⋅1060043.

It is a cyclic number.

It is not a de Polignac number, because 13702081 - 2¹⁷ = 13571009 is a prime.

It is a super-2 number, since 2×13702081² = 375494047461122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13702001) 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, 130 + ... + 5236.

It is an arithmetic number, because the mean of its divisors is an integer number (3427468).

Almost surely, 2^13702081 is an apocalyptic number.

It is an amenable number.

13702081 is a deficient number, since it is larger than the sum of its proper divisors (7791).

13702081 is an equidigital number, since it uses as much as digits as its factorization.

13702081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 13702081 is about 3701.6322075539. The cubic root of 13702081 is about 239.2923658400.

The spelling of 13702081 in words is "thirteen million, seven hundred two thousand, eighty-one".