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1248413 is a prime number
BaseRepresentation
bin100110000110010011101
32100102111112
410300302131
5304422123
642431405
713416455
oct4606235
92312445
101248413
11782a51
12502565
1334930a
14246d65
15199d78
hex130c9d

1248413 has 2 divisors, whose sum is σ = 1248414. Its totient is φ = 1248412.

The previous prime is 1248407. The next prime is 1248427. The reversal of 1248413 is 3148421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 284089 = 982^2 + 533^2 .

It is an emirp because it is prime and its reverse (3148421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1248413 - 26 = 1248349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624206 + 624207.

It is an arithmetic number, because the mean of its divisors is an integer number (624207).

21248413 is an apocalyptic number.

It is an amenable number.

1248413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248413 is an equidigital number, since it uses as much as digits as its factorization.

1248413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

The square root of 1248413 is about 1117.3240353631. The cubic root of 1248413 is about 107.6761273572.

It can be divided in two parts, 1248 and 413, that added together give a palindrome (1661).

The spelling of 1248413 in words is "one million, two hundred forty-eight thousand, four hundred thirteen".