1523212 has 6 divisors (see below), whose sum is σ = 2665628. Its totient is φ = 761604.

The previous prime is 1523177. The next prime is 1523219. The reversal of 1523212 is 2123251.

It is not an unprimeable number, because it can be changed into a prime (1523219) by changing a digit.

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 as a sum of consecutive naturals, namely, 190398 + ... + 190405.

2^1523212 is an apocalyptic number.

It is an amenable number.

1523212 is a deficient number, since it is larger than the sum of its proper divisors (1142416).

1523212 is a wasteful number, since it uses less digits than its factorization.

1523212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380807 (or 380805 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 1523212 is about 1234.1847511617. The cubic root of 1523212 is about 115.0588734467.

Adding to 1523212 its reverse (2123251), we get a palindrome (3646463).

It can be divided in two parts, 152 and 3212, that added together give a square (3364 = 58²).

The spelling of 1523212 in words is "one million, five hundred twenty-three thousand, two hundred twelve".