12196487 has 4 divisors (see below), whose sum is σ = 12236016. Its totient is φ = 12156960.

The previous prime is 12196469. The next prime is 12196517. The reversal of 12196487 is 78469121.

12196487 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.

It is a cyclic number.

It is not a de Polignac number, because 12196487 - 2¹² = 12192391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12196487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12196427) 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, 19298 + ... + 19919.

It is an arithmetic number, because the mean of its divisors is an integer number (3059004).

Almost surely, 2^12196487 is an apocalyptic number.

12196487 is a deficient number, since it is larger than the sum of its proper divisors (39529).

12196487 is an equidigital number, since it uses as much as digits as its factorization.

12196487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39528.

The product of its digits is 24192, while the sum is 38.

The square root of 12196487 is about 3492.3469186208. The cubic root of 12196487 is about 230.1856535048.

The spelling of 12196487 in words is "twelve million, one hundred ninety-six thousand, four hundred eighty-seven".