13678001 has 2 divisors, whose sum is σ = 13678002. Its totient is φ = 13678000.

The previous prime is 13677991. The next prime is 13678003. The reversal of 13678001 is 10087631.

13678001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 3591025 = 3176^2 + 1895^2 .

It is a cyclic number.

It is not a de Polignac number, because 13678001 - 2²² = 9483697 is a prime.

It is a super-2 number, since 2×13678001² = 374175422712002, which contains 22 as substring.

Together with 13678003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13678003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6839000 + 6839001.

It is an arithmetic number, because the mean of its divisors is an integer number (6839001).

Almost surely, 2^13678001 is an apocalyptic number.

It is an amenable number.

13678001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13678001 is an equidigital number, since it uses as much as digits as its factorization.

13678001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 13678001 is about 3698.3781580579. The cubic root of 13678001 is about 239.1521063924.

The spelling of 13678001 in words is "thirteen million, six hundred seventy-eight thousand, one".