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12622207 = 13970939
BaseRepresentation
bin110000001001…
…100101111111
3212202021102011
4300021211333
511212402312
61130312051
7212200303
oct60114577
925667364
1012622207
117141284
124288627
1327cc280
141967d03
151194da7
hexc0997f

12622207 has 4 divisors (see below), whose sum is σ = 13593160. Its totient is φ = 11651256.

The previous prime is 12622201. The next prime is 12622223. The reversal of 12622207 is 70222621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12622207 - 23 = 12622199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12622201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485457 + ... + 485482.

It is an arithmetic number, because the mean of its divisors is an integer number (3398290).

Almost surely, 212622207 is an apocalyptic number.

12622207 is a deficient number, since it is larger than the sum of its proper divisors (970953).

12622207 is an equidigital number, since it uses as much as digits as its factorization.

12622207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970952.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12622207 is about 3552.7745495598. The cubic root of 12622207 is about 232.8333031303.

Adding to 12622207 its reverse (70222621), we get a palindrome (82844828).

The spelling of 12622207 in words is "twelve million, six hundred twenty-two thousand, two hundred seven".

Divisors: 1 13 970939 12622207