3123412 has 6 divisors (see below), whose sum is σ = 5465978. Its totient is φ = 1561704.

The previous prime is 3123403. The next prime is 3123413. The reversal of 3123412 is 2143213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2033476 + 1089936 = 1426^2 + 1044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390423 + ... + 390430.

Almost surely, 2^3123412 is an apocalyptic number.

It is an amenable number.

3123412 is a deficient number, since it is larger than the sum of its proper divisors (2342566).

3123412 is a wasteful number, since it uses less digits than its factorization.

3123412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780857 (or 780855 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 3123412 is about 1767.3177416639. The cubic root of 3123412 is about 146.1761182338.

Adding to 3123412 its reverse (2143213), we get a palindrome (5266625).

The spelling of 3123412 in words is "three million, one hundred twenty-three thousand, four hundred twelve".