3731212 has 6 divisors (see below), whose sum is σ = 6529628. Its totient is φ = 1865604.

The previous prime is 3731209. The next prime is 3731213. The reversal of 3731212 is 2121373.

It is a self number, because there is not a number n which added to its sum of digits gives 3731212.

It is not an unprimeable number, because it can be changed into a prime (3731213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 466398 + ... + 466405.

Almost surely, 2^3731212 is an apocalyptic number.

It is an amenable number.

3731212 is a deficient number, since it is larger than the sum of its proper divisors (2798416).

3731212 is a wasteful number, since it uses less digits than its factorization.

3731212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932807 (or 932805 counting only the distinct ones).

The product of its digits is 252, while the sum is 19.

The square root of 3731212 is about 1931.6345410041. The cubic root of 3731212 is about 155.1017299573.

Adding to 3731212 its reverse (2121373), we get a palindrome (5852585).

It can be divided in two parts, 37312 and 12, that multiplied together give a palindrome (447744).

The spelling of 3731212 in words is "three million, seven hundred thirty-one thousand, two hundred twelve".