12072377 has 2 divisors, whose sum is σ = 12072378. Its totient is φ = 12072376.

The previous prime is 12072367. The next prime is 12072383. The reversal of 12072377 is 77327021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12033961 + 38416 = 3469^2 + 196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12072377 is a prime.

It is not a weakly prime, because it can be changed into another prime (12072317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6036188 + 6036189.

It is an arithmetic number, because the mean of its divisors is an integer number (6036189).

Almost surely, 2^12072377 is an apocalyptic number.

It is an amenable number.

12072377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12072377 is an equidigital number, since it uses as much as digits as its factorization.

12072377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 12072377 is about 3474.5326304411. The cubic root of 12072377 is about 229.4022094498.

Adding to 12072377 its reverse (77327021), we get a palindrome (89399398).

The spelling of 12072377 in words is "twelve million, seventy-two thousand, three hundred seventy-seven".