34012987 has 2 divisors, whose sum is σ = 34012988. Its totient is φ = 34012986.

The previous prime is 34012981. The next prime is 34012991. The reversal of 34012987 is 78921043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34012987 is a prime.

34012987 is a modest number, since divided by 12987 gives 34 as remainder.

It is not a weakly prime, because it can be changed into another prime (34012981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17006493 + 17006494.

It is an arithmetic number, because the mean of its divisors is an integer number (17006494).

Almost surely, 2^34012987 is an apocalyptic number.

34012987 is a deficient number, since it is larger than the sum of its proper divisors (1).

34012987 is an equidigital number, since it uses as much as digits as its factorization.

34012987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 34012987 is about 5832.0654145851. The cubic root of 34012987 is about 324.0024227579.

The spelling of 34012987 in words is "thirty-four million, twelve thousand, nine hundred eighty-seven".