Base | Representation |
---|---|
bin | 110010011111… |
… | …101100101111 |
3 | 220220111210201 |
4 | 302133230233 |
5 | 11342041124 |
6 | 1151414331 |
7 | 220340644 |
oct | 62375457 |
9 | 26814721 |
10 | 13237039 |
11 | 7521202 |
12 | 45243a7 |
13 | 298608a |
14 | 1a87dcb |
15 | 1267144 |
hex | c9fb2f |
13237039 has 2 divisors, whose sum is σ = 13237040. Its totient is φ = 13237038.
The previous prime is 13237001. The next prime is 13237043. The reversal of 13237039 is 93073231.
It is a strong prime.
It is an emirp because it is prime and its reverse (93073231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13237039 - 215 = 13204271 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 13236998 and 13237016.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13237099) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6618519 + 6618520.
It is an arithmetic number, because the mean of its divisors is an integer number (6618520).
Almost surely, 213237039 is an apocalyptic number.
13237039 is a deficient number, since it is larger than the sum of its proper divisors (1).
13237039 is an equidigital number, since it uses as much as digits as its factorization.
13237039 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3402, while the sum is 28.
The square root of 13237039 is about 3638.2741787831. The cubic root of 13237039 is about 236.5539927412.
The spelling of 13237039 in words is "thirteen million, two hundred thirty-seven thousand, thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.091 sec. • engine limits •