12197513 has 4 divisors (see below), whose sum is σ = 12270720. Its totient is φ = 12124308.

The previous prime is 12197501. The next prime is 12197519. The reversal of 12197513 is 31579121.

12197513 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.

It is a cyclic number.

It is not a de Polignac number, because 12197513 - 2⁸ = 12197257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12197519) 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, 36353 + ... + 36686.

It is an arithmetic number, because the mean of its divisors is an integer number (3067680).

Almost surely, 2^12197513 is an apocalyptic number.

It is an amenable number.

12197513 is a deficient number, since it is larger than the sum of its proper divisors (73207).

12197513 is an equidigital number, since it uses as much as digits as its factorization.

12197513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73206.

The product of its digits is 1890, while the sum is 29.

The square root of 12197513 is about 3492.4938081549. The cubic root of 12197513 is about 230.1921079278.

The spelling of 12197513 in words is "twelve million, one hundred ninety-seven thousand, five hundred thirteen".