13078261 has 8 divisors (see below), whose sum is σ = 15046784. Its totient is φ = 11134800.

The previous prime is 13078243. The next prime is 13078309. The reversal of 13078261 is 16287031.

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 13078261 - 2⁵ = 13078229 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 (13078231) 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, 5130 + ... + 7243.

It is an arithmetic number, because the mean of its divisors is an integer number (1880848).

Almost surely, 2^13078261 is an apocalyptic number.

It is an amenable number.

13078261 is a deficient number, since it is larger than the sum of its proper divisors (1968523).

13078261 is a wasteful number, since it uses less digits than its factorization.

13078261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 13078261 is about 3616.3878387142. The cubic root of 13078261 is about 235.6043656104.

The spelling of 13078261 in words is "thirteen million, seventy-eight thousand, two hundred sixty-one".