287606013 has 8 divisors (see below), whose sum is σ = 385422048. Its totient is φ = 190763664.

The previous prime is 287605993. The next prime is 287606023. The reversal of 287606013 is 310606782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 287606013 - 2²⁶ = 220497149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287606023) 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 in 7 ways as a sum of consecutive naturals, for example, 242731 + ... + 243912.

It is an arithmetic number, because the mean of its divisors is an integer number (48177756).

Almost surely, 2^287606013 is an apocalyptic number.

It is an amenable number.

287606013 is a deficient number, since it is larger than the sum of its proper divisors (97816035).

287606013 is a wasteful number, since it uses less digits than its factorization.

287606013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486843.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 287606013 is about 16958.9508225008. The cubic root of 287606013 is about 660.0841742964.

The spelling of 287606013 in words is "two hundred eighty-seven million, six hundred six thousand, thirteen".