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12425101 = 13955777
BaseRepresentation
bin101111011001…
…011110001101
3212101021000221
4233121132031
511140100401
61122151341
7210416533
oct57313615
925337027
1012425101
117017187
1241b2551
132760640
141916153
1511567a1
hexbd978d

12425101 has 4 divisors (see below), whose sum is σ = 13380892. Its totient is φ = 11469312.

The previous prime is 12425089. The next prime is 12425117. The reversal of 12425101 is 10152421.

12425101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10152421 = 13973039.

It can be written as a sum of positive squares in 2 ways, for example, as 2975625 + 9449476 = 1725^2 + 3074^2 .

It is a cyclic number.

It is not a de Polignac number, because 12425101 - 29 = 12424589 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 (12425131) 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, 477876 + ... + 477901.

It is an arithmetic number, because the mean of its divisors is an integer number (3345223).

Almost surely, 212425101 is an apocalyptic number.

It is an amenable number.

12425101 is a deficient number, since it is larger than the sum of its proper divisors (955791).

12425101 is an equidigital number, since it uses as much as digits as its factorization.

12425101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955790.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12425101 is about 3524.9256729752. The cubic root of 12425101 is about 231.6149789511.

Adding to 12425101 its reverse (10152421), we get a palindrome (22577522).

The spelling of 12425101 in words is "twelve million, four hundred twenty-five thousand, one hundred one".

Divisors: 1 13 955777 12425101