7212501 has 12 divisors (see below), whose sum is σ = 10871328. Its totient is φ = 4599144.

The previous prime is 7212497. The next prime is 7212509. The reversal of 7212501 is 1052127.

It is not a de Polignac number, because 7212501 - 2² = 7212497 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7212509) 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 11 ways as a sum of consecutive naturals, for example, 17215 + ... + 17628.

It is an arithmetic number, because the mean of its divisors is an integer number (905944).

Almost surely, 2^7212501 is an apocalyptic number.

It is an amenable number.

7212501 is a deficient number, since it is larger than the sum of its proper divisors (3658827).

7212501 is a wasteful number, since it uses less digits than its factorization.

7212501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34872 (or 34869 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 7212501 is about 2685.6099865766. The cubic root of 7212501 is about 193.2095677013.

Adding to 7212501 its reverse (1052127), we get a palindrome (8264628).

The spelling of 7212501 in words is "seven million, two hundred twelve thousand, five hundred one".