Search a number
-
+
12068413 = 71724059
BaseRepresentation
bin101110000010…
…011000111101
3211201010202021
4232002120331
511042142123
61110400141
7204402610
oct56023075
924633667
1012068413
1168a31a5
124060051
132667196
141862177
1510d5c5d
hexb8263d

12068413 has 4 divisors (see below), whose sum is σ = 13792480. Its totient is φ = 10344348.

The previous prime is 12068383. The next prime is 12068447. The reversal of 12068413 is 31486021.

12068413 is digitally balanced in base 2 and base 3, because in such bases 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 de Polignac number, because none of the positive numbers 2k-12068413 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 (12069413) 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, 862023 + ... + 862036.

It is an arithmetic number, because the mean of its divisors is an integer number (3448120).

Almost surely, 212068413 is an apocalyptic number.

It is an amenable number.

12068413 is a deficient number, since it is larger than the sum of its proper divisors (1724067).

12068413 is an equidigital number, since it uses as much as digits as its factorization.

12068413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724066.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12068413 is about 3473.9621471743. The cubic root of 12068413 is about 229.3770984075.

The spelling of 12068413 in words is "twelve million, sixty-eight thousand, four hundred thirteen".

Divisors: 1 7 1724059 12068413