12077397 has 8 divisors (see below), whose sum is σ = 17892480. Its totient is φ = 8051580.

The previous prime is 12077393. The next prime is 12077399. The reversal of 12077397 is 79377021.

It is not a de Polignac number, because 12077397 - 2² = 12077393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12077393) 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 7 ways as a sum of consecutive naturals, for example, 223629 + ... + 223682.

It is an arithmetic number, because the mean of its divisors is an integer number (2236560).

Almost surely, 2^12077397 is an apocalyptic number.

It is an amenable number.

12077397 is a deficient number, since it is larger than the sum of its proper divisors (5815083).

12077397 is an equidigital number, since it uses as much as digits as its factorization.

12077397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447320 (or 447314 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 12077397 is about 3475.2549546760. The cubic root of 12077397 is about 229.4340021256.

The spelling of 12077397 in words is "twelve million, seventy-seven thousand, three hundred ninety-seven".