12102797 has 4 divisors (see below), whose sum is σ = 13831776. Its totient is φ = 10373820.

The previous prime is 12102781. The next prime is 12102799. The reversal of 12102797 is 79720121.

12102797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 79720121 = 13 ⋅6132317.

It is a cyclic number.

It is not a de Polignac number, because 12102797 - 2⁴ = 12102781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102799) 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, 864479 + ... + 864492.

It is an arithmetic number, because the mean of its divisors is an integer number (3457944).

Almost surely, 2^12102797 is an apocalyptic number.

It is an amenable number.

12102797 is a deficient number, since it is larger than the sum of its proper divisors (1728979).

12102797 is an equidigital number, since it uses as much as digits as its factorization.

12102797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728978.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 12102797 is about 3478.9074434368. The cubic root of 12102797 is about 229.5947305524.

The spelling of 12102797 in words is "twelve million, one hundred two thousand, seven hundred ninety-seven".