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BaseRepresentation
bin101110010001…
…101100100110
3211211022202101
4232101230212
511101143420
61112002314
7205053445
oct56215446
924738671
1012131110
116936312
12409039a
132689894
1510e960a
hexb91b26

12131110 has 16 divisors (see below), whose sum is σ = 22054032. Its totient is φ = 4804000.

The previous prime is 12131099. The next prime is 12131113. The reversal of 12131110 is 1113121.

12131110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4996 + ... + 7015.

It is an arithmetic number, because the mean of its divisors is an integer number (1378377).

Almost surely, 212131110 is an apocalyptic number.

12131110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131110 is a deficient number, since it is larger than the sum of its proper divisors (9922922).

12131110 is a wasteful number, since it uses less digits than its factorization.

12131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 12131110 is about 3482.9743036663. The cubic root of 12131110 is about 229.7736273020.

Adding to 12131110 its reverse (1113121), we get a palindrome (13244231).

The spelling of 12131110 in words is "twelve million, one hundred thirty-one thousand, one hundred ten".