7251212 has 12 divisors (see below), whose sum is σ = 12843096. Its totient is φ = 3581760.

The previous prime is 7251199. The next prime is 7251221. The reversal of 7251212 is 2121527.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10589 + ... + 11252.

It is an arithmetic number, because the mean of its divisors is an integer number (1070258).

Almost surely, 2^7251212 is an apocalyptic number.

It is an amenable number.

7251212 is a deficient number, since it is larger than the sum of its proper divisors (5591884).

7251212 is a wasteful number, since it uses less digits than its factorization.

7251212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21928 (or 21926 counting only the distinct ones).

The product of its digits is 280, while the sum is 20.

The square root of 7251212 is about 2692.8074569118. The cubic root of 7251212 is about 193.5546164936.

Adding to 7251212 its reverse (2121527), we get a palindrome (9372739).

The spelling of 7251212 in words is "seven million, two hundred fifty-one thousand, two hundred twelve".