214012987 has 2 divisors, whose sum is σ = 214012988. Its totient is φ = 214012986.

The previous prime is 214012963. The next prime is 214012991. The reversal of 214012987 is 789210412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214012987 is a prime.

214012987 is a modest number, since divided by 12987 gives 214 as remainder.

It is not a weakly prime, because it can be changed into another prime (214012387) 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, 107006493 + 107006494.

It is an arithmetic number, because the mean of its divisors is an integer number (107006494).

Almost surely, 2^214012987 is an apocalyptic number.

214012987 is a deficient number, since it is larger than the sum of its proper divisors (1).

214012987 is an equidigital number, since it uses as much as digits as its factorization.

214012987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 214012987 is about 14629.1827181152. The cubic root of 214012987 is about 598.1545025332.

The spelling of 214012987 in words is "two hundred fourteen million, twelve thousand, nine hundred eighty-seven".