12130261 has 8 divisors (see below), whose sum is σ = 14251104. Its totient is φ = 10179120.

The previous prime is 12130259. The next prime is 12130289. The reversal of 12130261 is 16203121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12130261 - 2¹ = 12130259 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 (12130861) 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, 42271 + ... + 42556.

It is an arithmetic number, because the mean of its divisors is an integer number (1781388).

Almost surely, 2^12130261 is an apocalyptic number.

12130261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12130261 is a deficient number, since it is larger than the sum of its proper divisors (2120843).

12130261 is a wasteful number, since it uses less digits than its factorization.

12130261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84851.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12130261 is about 3482.8524229430. The cubic root of 12130261 is about 229.7682669142.

Adding to 12130261 its reverse (16203121), we get a palindrome (28333382).

The spelling of 12130261 in words is "twelve million, one hundred thirty thousand, two hundred sixty-one".