12140740 has 12 divisors (see below), whose sum is σ = 25495596. Its totient is φ = 4856288.

The previous prime is 12140731. The next prime is 12140759. The reversal of 12140740 is 4704121.

It can be written as a sum of positive squares in 2 ways, for example, as 9535744 + 2604996 = 3088^2 + 1614^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303499 + ... + 303538.

It is an arithmetic number, because the mean of its divisors is an integer number (2124633).

Almost surely, 2^12140740 is an apocalyptic number.

12140740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12140740 is an abundant number, since it is smaller than the sum of its proper divisors (13354856).

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

12140740 is a wasteful number, since it uses less digits than its factorization.

12140740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607046 (or 607044 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 12140740 is about 3484.3564685606. The cubic root of 12140740 is about 229.8344113738.

Adding to 12140740 its reverse (4704121), we get a palindrome (16844861).

It can be divided in two parts, 12140 and 740, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12140740 in words is "twelve million, one hundred forty thousand, seven hundred forty".