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13348769 = 713114557
BaseRepresentation
bin110010111010…
…111110100001
3221010012001212
4302322332201
511404130034
61154035505
7221314460
oct62727641
927105055
1013348769
117598145
124578b95
1329c4ba5
141ab69d7
15128a2ce
hexcbafa1

13348769 has 8 divisors (see below), whose sum is σ = 15373248. Its totient is φ = 11353680.

The previous prime is 13348733. The next prime is 13348771. The reversal of 13348769 is 96784331.

13348769 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13348769 - 212 = 13344673 is a prime.

It is a super-2 number, since 2×133487692 = 356379267630722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13348369) 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, 6362 + ... + 8195.

It is an arithmetic number, because the mean of its divisors is an integer number (1921656).

Almost surely, 213348769 is an apocalyptic number.

It is an amenable number.

13348769 is a deficient number, since it is larger than the sum of its proper divisors (2024479).

13348769 is a wasteful number, since it uses less digits than its factorization.

13348769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14695.

The product of its digits is 108864, while the sum is 41.

The square root of 13348769 is about 3653.5967210408. The cubic root of 13348769 is about 237.2176900434.

The spelling of 13348769 in words is "thirteen million, three hundred forty-eight thousand, seven hundred sixty-nine".

Divisors: 1 7 131 917 14557 101899 1906967 13348769