Search a number
-
+
13344769 is a prime number
BaseRepresentation
bin110010111010…
…000000000001
3221002222120201
4302322000001
511404013034
61154005201
7221300014
oct62720001
927088521
1013344769
117595139
124576801
1329c3119
141ab537b
151289014
hexcba001

13344769 has 2 divisors, whose sum is σ = 13344770. Its totient is φ = 13344768.

The previous prime is 13344767. The next prime is 13344781. The reversal of 13344769 is 96744331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11641744 + 1703025 = 3412^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 13344769 - 21 = 13344767 is a prime.

It is a super-2 number, since 2×133447692 = 356165719326722, which contains 22 as substring.

Together with 13344767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13344763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672384 + 6672385.

It is an arithmetic number, because the mean of its divisors is an integer number (6672385).

It is a Proth number, since it is equal to 1629 ⋅ 213 + 1 and 1629 < 213.

Almost surely, 213344769 is an apocalyptic number.

It is an amenable number.

13344769 is a deficient number, since it is larger than the sum of its proper divisors (1).

13344769 is an equidigital number, since it uses as much as digits as its factorization.

13344769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 13344769 is about 3653.0492742365. The cubic root of 13344769 is about 237.1939933376.

The spelling of 13344769 in words is "thirteen million, three hundred forty-four thousand, seven hundred sixty-nine".