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13080791 = 31509829
BaseRepresentation
bin110001111001…
…100011010111
3220121120110202
4301321203113
511322041131
61144211115
7216120263
oct61714327
926546422
1013080791
117424879
124469a9b
13292cc19
141a470a3
151235bcb
hexc798d7

13080791 has 8 divisors (see below), whose sum is σ = 13545600. Its totient is φ = 12618720.

The previous prime is 13080787. The next prime is 13080799. The reversal of 13080791 is 19708031.

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 13080791 - 22 = 13080787 is a prime.

It is a super-2 number, since 2×130807912 = 342214186371362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13080799) 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, 15365 + ... + 16193.

It is an arithmetic number, because the mean of its divisors is an integer number (1693200).

Almost surely, 213080791 is an apocalyptic number.

13080791 is a deficient number, since it is larger than the sum of its proper divisors (464809).

13080791 is an equidigital number, since it uses as much as digits as its factorization.

13080791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 13080791 is about 3616.7376183517. The cubic root of 13080791 is about 235.6195572482.

The spelling of 13080791 in words is "thirteen million, eighty thousand, seven hundred ninety-one".

Divisors: 1 31 509 829 15779 25699 421961 13080791