212707504 has 10 divisors (see below), whose sum is σ = 412120820. Its totient is φ = 106353744.

The previous prime is 212707501. The next prime is 212707507. The reversal of 212707504 is 405707212.

It is an interprime number because it is at equal distance from previous prime (212707501) and next prime (212707507).

It is not an unprimeable number, because it can be changed into a prime (212707501) 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, 6647094 + ... + 6647125.

It is an arithmetic number, because the mean of its divisors is an integer number (41212082).

Almost surely, 2^212707504 is an apocalyptic number.

It is an amenable number.

212707504 is a deficient number, since it is larger than the sum of its proper divisors (199413316).

212707504 is a wasteful number, since it uses less digits than its factorization.

212707504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294227 (or 13294221 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 212707504 is about 14584.4953289444. The cubic root of 212707504 is about 596.9357700577.

The spelling of 212707504 in words is "two hundred twelve million, seven hundred seven thousand, five hundred four".