30012977 has 2 divisors, whose sum is σ = 30012978. Its totient is φ = 30012976.

The previous prime is 30012971. The next prime is 30013003. The reversal of 30012977 is 77921003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28472896 + 1540081 = 5336^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012977 - 2⁸ = 30012721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30012971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006488 + 15006489.

It is an arithmetic number, because the mean of its divisors is an integer number (15006489).

Almost surely, 2^30012977 is an apocalyptic number.

It is an amenable number.

30012977 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012977 is an equidigital number, since it uses as much as digits as its factorization.

30012977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 30012977 is about 5478.4100795760. The cubic root of 30012977 is about 310.7680469771.

The spelling of 30012977 in words is "thirty million, twelve thousand, nine hundred seventy-seven".