13378671 has 12 divisors (see below), whose sum is σ = 19375200. Its totient is φ = 8895840.

The previous prime is 13378667. The next prime is 13378693. The reversal of 13378671 is 17687331.

13378671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13378671 - 2² = 13378667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13378661) 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, 2155 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (1614600).

Almost surely, 2^13378671 is an apocalyptic number.

13378671 is a deficient number, since it is larger than the sum of its proper divisors (5996529).

13378671 is a wasteful number, since it uses less digits than its factorization.

13378671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886 (or 3883 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 13378671 is about 3657.6865639363. The cubic root of 13378671 is about 237.3946849782.

The spelling of 13378671 in words is "thirteen million, three hundred seventy-eight thousand, six hundred seventy-one".