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12031941 = 34010647
BaseRepresentation
bin101101111001…
…011111000101
3211122021201110
4231321133011
511040010231
61105515233
7204161355
oct55713705
924567643
1012031941
116878859
124042b19
1326536bc
141852b65
1510ca046
hexb797c5

12031941 has 4 divisors (see below), whose sum is σ = 16042592. Its totient is φ = 8021292.

The previous prime is 12031939. The next prime is 12031949. The reversal of 12031941 is 14913021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14913021 = 34971007.

It is not a de Polignac number, because 12031941 - 21 = 12031939 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031949) 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, 2005321 + ... + 2005326.

It is an arithmetic number, because the mean of its divisors is an integer number (4010648).

Almost surely, 212031941 is an apocalyptic number.

It is an amenable number.

12031941 is a deficient number, since it is larger than the sum of its proper divisors (4010651).

12031941 is an equidigital number, since it uses as much as digits as its factorization.

12031941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010650.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 12031941 is about 3468.7088375936. The cubic root of 12031941 is about 229.1457980924.

Adding to 12031941 its reverse (14913021), we get a palindrome (26944962).

The spelling of 12031941 in words is "twelve million, thirty-one thousand, nine hundred forty-one".

Divisors: 1 3 4010647 12031941