12140697 has 4 divisors (see below), whose sum is σ = 16187600. Its totient is φ = 8093796.

The previous prime is 12140693. The next prime is 12140731. The reversal of 12140697 is 79604121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79604121 = 3 ⋅26534707.

It is not a de Polignac number, because 12140697 - 2² = 12140693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12140693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023447 + ... + 2023452.

It is an arithmetic number, because the mean of its divisors is an integer number (4046900).

Almost surely, 2^12140697 is an apocalyptic number.

It is an amenable number.

12140697 is a deficient number, since it is larger than the sum of its proper divisors (4046903).

12140697 is an equidigital number, since it uses as much as digits as its factorization.

12140697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046902.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12140697 is about 3484.3502981187. The cubic root of 12140697 is about 229.8341400314.

The spelling of 12140697 in words is "twelve million, one hundred forty thousand, six hundred ninety-seven".