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12201403 = 61200023
BaseRepresentation
bin101110100010…
…110110111011
3211221220011211
4232202312323
511110421103
61113303551
7205465414
oct56426673
924856154
1012201403
116984105
124104bb7
1326b2886
14189880b
15111036d
hexba2dbb

12201403 has 4 divisors (see below), whose sum is σ = 12401488. Its totient is φ = 12001320.

The previous prime is 12201367. The next prime is 12201407. The reversal of 12201403 is 30410221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30410221 = 113269117.

It is a cyclic number.

It is not a de Polignac number, because 12201403 - 213 = 12193211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99951 + ... + 100072.

It is an arithmetic number, because the mean of its divisors is an integer number (3100372).

Almost surely, 212201403 is an apocalyptic number.

12201403 is a deficient number, since it is larger than the sum of its proper divisors (200085).

12201403 is an equidigital number, since it uses as much as digits as its factorization.

12201403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200084.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12201403 is about 3493.0506724066. The cubic root of 12201403 is about 230.2165760885.

Adding to 12201403 its reverse (30410221), we get a palindrome (42611624).

The spelling of 12201403 in words is "twelve million, two hundred one thousand, four hundred three".

Divisors: 1 61 200023 12201403