12140715 has 32 divisors (see below), whose sum is σ = 20966400. Its totient is φ = 5978880.

The previous prime is 12140693. The next prime is 12140731. The reversal of 12140715 is 51704121.

It is a happy number.

It is not a de Polignac number, because 12140715 - 2⁵ = 12140683 is a prime.

It is a super-2 number, since 2×12140715² = 294793921422450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12140691 and 12140700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11166 + ... + 12204.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^12140715 is an apocalyptic number.

12140715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12140715 is a deficient number, since it is larger than the sum of its proper divisors (8825685).

12140715 is a wasteful number, since it uses less digits than its factorization.

12140715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 12140715 is about 3484.3528810957. The cubic root of 12140715 is about 229.8342536167.

Adding to 12140715 its reverse (51704121), we get a palindrome (63844836).

The spelling of 12140715 in words is "twelve million, one hundred forty thousand, seven hundred fifteen".