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12499941 = 34166647
BaseRepresentation
bin101111101011…
…101111100101
3212112001200210
4233223233211
511144444231
61123530033
7211150656
oct57535745
925461623
1012499941
117068433
124229919
13278871c
14193552d
15116da46
hexbebbe5

12499941 has 4 divisors (see below), whose sum is σ = 16666592. Its totient is φ = 8333292.

The previous prime is 12499919. The next prime is 12499987. The reversal of 12499941 is 14999421.

12499941 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 not a de Polignac number, because 12499941 - 25 = 12499909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12499941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083321 + ... + 2083326.

It is an arithmetic number, because the mean of its divisors is an integer number (4166648).

Almost surely, 212499941 is an apocalyptic number.

It is an amenable number.

12499941 is a deficient number, since it is larger than the sum of its proper divisors (4166651).

12499941 is an equidigital number, since it uses as much as digits as its factorization.

12499941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166650.

The product of its digits is 23328, while the sum is 39.

The square root of 12499941 is about 3535.5255620629. The cubic root of 12499941 is about 232.0790765417.

It can be divided in two parts, 1 and 2499941, that added together give a palindrome (2499942).

The spelling of 12499941 in words is "twelve million, four hundred ninety-nine thousand, nine hundred forty-one".

Divisors: 1 3 4166647 12499941