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12425901 = 34141967
BaseRepresentation
bin101111011001…
…101010101101
3212101022010120
4233121222231
511140112101
61122155153
7210422055
oct57315255
925338116
1012425901
117017844
1241b2ab9
132760b07
141916565
151156b36
hexbd9aad

12425901 has 4 divisors (see below), whose sum is σ = 16567872. Its totient is φ = 8283932.

The previous prime is 12425899. The next prime is 12425909. The reversal of 12425901 is 10952421.

12425901 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12425901 - 21 = 12425899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425909) 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, 2070981 + ... + 2070986.

It is an arithmetic number, because the mean of its divisors is an integer number (4141968).

Almost surely, 212425901 is an apocalyptic number.

It is an amenable number.

12425901 is a deficient number, since it is larger than the sum of its proper divisors (4141971).

12425901 is an equidigital number, since it uses as much as digits as its factorization.

12425901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141970.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12425901 is about 3525.0391487188. The cubic root of 12425901 is about 231.6199497493.

The spelling of 12425901 in words is "twelve million, four hundred twenty-five thousand, nine hundred one".

Divisors: 1 3 4141967 12425901