12140310 has 64 divisors (see below), whose sum is σ = 35868672. Its totient is φ = 2560896.

The previous prime is 12140309. The next prime is 12140341. The reversal of 12140310 is 1304121.

It is a happy number.

It is a super-2 number, since 2×12140310² = 294774253792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (560448).

Almost surely, 2^12140310 is an apocalyptic number.

12140310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12140310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17934336).

12140310 is an abundant number, since it is smaller than the sum of its proper divisors (23728362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12140310 is a wasteful number, since it uses less digits than its factorization.

12140310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12140310 is about 3484.2947636502. The cubic root of 12140310 is about 229.8316979213.

Adding to 12140310 its reverse (1304121), we get a palindrome (13444431).

The spelling of 12140310 in words is "twelve million, one hundred forty thousand, three hundred ten".