Search a number
-
+
12500357 is a prime number
BaseRepresentation
bin101111101011…
…110110000101
3212112002021012
4233223312011
511200002412
61123532005
7211152122
oct57536605
925462235
1012500357
117068781
12422a005
13278897c
141935749
15116dc22
hexbebd85

12500357 has 2 divisors, whose sum is σ = 12500358. Its totient is φ = 12500356.

The previous prime is 12500351. The next prime is 12500359. The reversal of 12500357 is 75300521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9572836 + 2927521 = 3094^2 + 1711^2 .

It is a cyclic number.

It is not a de Polignac number, because 12500357 - 28 = 12500101 is a prime.

Together with 12500359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12500351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250178 + 6250179.

It is an arithmetic number, because the mean of its divisors is an integer number (6250179).

Almost surely, 212500357 is an apocalyptic number.

It is an amenable number.

12500357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12500357 is an equidigital number, since it uses as much as digits as its factorization.

12500357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 12500357 is about 3535.5843929964. The cubic root of 12500357 is about 232.0816510559.

Adding to 12500357 its reverse (75300521), we get a palindrome (87800878).

The spelling of 12500357 in words is "twelve million, five hundred thousand, three hundred fifty-seven".