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12519049 is a prime number
BaseRepresentation
bin101111110000…
…011010001001
3212120000220111
4233300122021
511201102144
61124154321
7211260454
oct57603211
925500814
1012519049
117080824
1242389a1
13279432a
14193c49b
151174534
hexbf0689

12519049 has 2 divisors, whose sum is σ = 12519050. Its totient is φ = 12519048.

The previous prime is 12519047. The next prime is 12519079. The reversal of 12519049 is 94091521.

12519049 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 822649 = 3420^2 + 907^2 .

It is an emirp because it is prime and its reverse (94091521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12519049 - 21 = 12519047 is a prime.

Together with 12519047, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12519049.

It is not a weakly prime, because it can be changed into another prime (12519041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6259524 + 6259525.

It is an arithmetic number, because the mean of its divisors is an integer number (6259525).

Almost surely, 212519049 is an apocalyptic number.

It is an amenable number.

12519049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12519049 is an equidigital number, since it uses as much as digits as its factorization.

12519049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 12519049 is about 3538.2268157935. The cubic root of 12519049 is about 232.1972720138.

The spelling of 12519049 in words is "twelve million, five hundred nineteen thousand, forty-nine".