12072889 has 2 divisors, whose sum is σ = 12072890. Its totient is φ = 12072888.

The previous prime is 12072877. The next prime is 12072899. The reversal of 12072889 is 98827021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11594025 + 478864 = 3405^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 12072889 - 2⁹ = 12072377 is a prime.

It is not a weakly prime, because it can be changed into another prime (12072869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6036444 + 6036445.

It is an arithmetic number, because the mean of its divisors is an integer number (6036445).

Almost surely, 2^12072889 is an apocalyptic number.

It is an amenable number.

12072889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12072889 is an equidigital number, since it uses as much as digits as its factorization.

12072889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12072889 is about 3474.6063086341. The cubic root of 12072889 is about 229.4054524529.

It can be divided in two parts, 1207 and 2889, that added together give a 12-th power (4096 = 2¹²).

The spelling of 12072889 in words is "twelve million, seventy-two thousand, eight hundred eighty-nine".