Search a number
-
+
13019983 is a prime number
BaseRepresentation
bin110001101010…
…101101001111
3220111111001121
4301222231033
511313114413
61143021411
7215445064
oct61525517
926444047
1013019983
117393119
12443a867
13290b342
141a2cc6b
151222b8d
hexc6ab4f

13019983 has 2 divisors, whose sum is σ = 13019984. Its totient is φ = 13019982.

The previous prime is 13019971. The next prime is 13019989. The reversal of 13019983 is 38991031.

It is a strong prime.

It is an emirp because it is prime and its reverse (38991031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13019983 - 221 = 10922831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13019989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6509991 + 6509992.

It is an arithmetic number, because the mean of its divisors is an integer number (6509992).

Almost surely, 213019983 is an apocalyptic number.

13019983 is a deficient number, since it is larger than the sum of its proper divisors (1).

13019983 is an equidigital number, since it uses as much as digits as its factorization.

13019983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 13019983 is about 3608.3213548685. The cubic root of 13019983 is about 235.2538858652.

The spelling of 13019983 in words is "thirteen million, nineteen thousand, nine hundred eighty-three".