7212605 has 8 divisors (see below), whose sum is σ = 8856672. Its totient is φ = 5635728.

The previous prime is 7212599. The next prime is 7212637. The reversal of 7212605 is 5062127.

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

It is a cyclic number.

It is not a de Polignac number, because 7212605 - 2²⁰ = 6164029 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 16559 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (1107084).

Almost surely, 2^7212605 is an apocalyptic number.

It is an amenable number.

7212605 is a deficient number, since it is larger than the sum of its proper divisors (1644067).

7212605 is a wasteful number, since it uses less digits than its factorization.

7212605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33595.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7212605 is about 2685.6293489609. The cubic root of 7212605 is about 193.2104963527.

The spelling of 7212605 in words is "seven million, two hundred twelve thousand, six hundred five".