260776013 has 4 divisors (see below), whose sum is σ = 263213280. Its totient is φ = 258338748.

The previous prime is 260775989. The next prime is 260776027. The reversal of 260776013 is 310677062.

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 an emirpimes, since its reverse is a distinct semiprime: 310677062 = 2 ⋅155338531.

It is a cyclic number.

It is not a de Polignac number, because 260776013 - 2¹⁶ = 260710477 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 (260776063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218473 + ... + 1218686.

It is an arithmetic number, because the mean of its divisors is an integer number (65803320).

Almost surely, 2^260776013 is an apocalyptic number.

It is an amenable number.

260776013 is a deficient number, since it is larger than the sum of its proper divisors (2437267).

260776013 is a wasteful number, since it uses less digits than its factorization.

260776013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437266.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 260776013 is about 16148.5607098589. The cubic root of 260776013 is about 638.8847871775.

The spelling of 260776013 in words is "two hundred sixty million, seven hundred seventy-six thousand, thirteen".