814915012 has 6 divisors (see below), whose sum is σ = 1426101278. Its totient is φ = 407457504.

The previous prime is 814914983. The next prime is 814915039. The reversal of 814915012 is 210519418.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 809743936 + 5171076 = 28456^2 + 2274^2 .

It is an unprimeable number.

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, 101864373 + ... + 101864380.

Almost surely, 2^814915012 is an apocalyptic number.

It is an amenable number.

814915012 is a deficient number, since it is larger than the sum of its proper divisors (611186266).

814915012 is a wasteful number, since it uses less digits than its factorization.

814915012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203728757 (or 203728755 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 814915012 is about 28546.7163085354. The cubic root of 814915012 is about 934.0513936202.

The spelling of 814915012 in words is "eight hundred fourteen million, nine hundred fifteen thousand, twelve".