12140751 has 8 divisors (see below), whose sum is σ = 18500224. Its totient is φ = 6937560.

The previous prime is 12140731. The next prime is 12140759. The reversal of 12140751 is 15704121.

It is a happy number.

12140751 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12140751 - 2¹¹ = 12138703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 578131 = 12140751 / (1 + 2 + 1 + 4 + 0 + 7 + 5 + 1).

It is a Duffinian number.

12140751 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140759) 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, 289045 + ... + 289086.

It is an arithmetic number, because the mean of its divisors is an integer number (2312528).

Almost surely, 2^12140751 is an apocalyptic number.

12140751 is a deficient number, since it is larger than the sum of its proper divisors (6359473).

12140751 is an equidigital number, since it uses as much as digits as its factorization.

12140751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578141.

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

The square root of 12140751 is about 3484.3580470440. The cubic root of 12140751 is about 229.8344807869.

Adding to 12140751 its reverse (15704121), we get a palindrome (27844872).

The spelling of 12140751 in words is "twelve million, one hundred forty thousand, seven hundred fifty-one".