12061397 has 4 divisors (see below), whose sum is σ = 12106176. Its totient is φ = 12016620.

The previous prime is 12061367. The next prime is 12061417. The reversal of 12061397 is 79316021.

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 a de Polignac number, because none of the positive numbers 2^k-12061397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21983 + ... + 22524.

It is an arithmetic number, because the mean of its divisors is an integer number (3026544).

Almost surely, 2^12061397 is an apocalyptic number.

It is an amenable number.

12061397 is a deficient number, since it is larger than the sum of its proper divisors (44779).

12061397 is an equidigital number, since it uses as much as digits as its factorization.

12061397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44778.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12061397 is about 3472.9522023777. The cubic root of 12061397 is about 229.3326401544.

The spelling of 12061397 in words is "twelve million, sixty-one thousand, three hundred ninety-seven".