13378261 has 8 divisors (see below), whose sum is σ = 15165920. Its totient is φ = 11698992.

The previous prime is 13378247. The next prime is 13378271. The reversal of 13378261 is 16287331.

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 13378261 - 2⁵ = 13378229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13378231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26835 + ... + 27328.

It is an arithmetic number, because the mean of its divisors is an integer number (1895740).

Almost surely, 2^13378261 is an apocalyptic number.

It is an amenable number.

13378261 is a deficient number, since it is larger than the sum of its proper divisors (1787659).

13378261 is a wasteful number, since it uses less digits than its factorization.

13378261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54195.

The product of its digits is 6048, while the sum is 31.

The square root of 13378261 is about 3657.6305171518. The cubic root of 13378261 is about 237.3922599038.

The spelling of 13378261 in words is "thirteen million, three hundred seventy-eight thousand, two hundred sixty-one".