12140311 has 8 divisors (see below), whose sum is σ = 12362240. Its totient is φ = 11920608.

The previous prime is 12140309. The next prime is 12140341. The reversal of 12140311 is 11304121.

12140311 = 244² + 245² + ... + 370².

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 12140311 - 2¹ = 12140309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12140291 and 12140300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140341) 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, 13405 + ... + 14281.

It is an arithmetic number, because the mean of its divisors is an integer number (1545280).

Almost surely, 2^12140311 is an apocalyptic number.

12140311 is a deficient number, since it is larger than the sum of its proper divisors (221929).

12140311 is a wasteful number, since it uses less digits than its factorization.

12140311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12140311 is about 3484.2949071512. The cubic root of 12140311 is about 229.8317042317.

Adding to 12140311 its reverse (11304121), we get a palindrome (23444432).

The spelling of 12140311 in words is "twelve million, one hundred forty thousand, three hundred eleven".