3012389 has 2 divisors, whose sum is σ = 3012390. Its totient is φ = 3012388.

The previous prime is 3012377. The next prime is 3012409. The reversal of 3012389 is 9832103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 1399489 = 1270^2 + 1183^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012389 - 2²⁰ = 1963813 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506194 + 1506195.

It is an arithmetic number, because the mean of its divisors is an integer number (1506195).

Almost surely, 2^3012389 is an apocalyptic number.

It is an amenable number.

3012389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012389 is an equidigital number, since it uses as much as digits as its factorization.

3012389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3012389 is about 1735.6235190847. The cubic root of 3012389 is about 144.4232180293.

The spelling of 3012389 in words is "three million, twelve thousand, three hundred eighty-nine".