16231412 has 6 divisors (see below), whose sum is σ = 28404978. Its totient is φ = 8115704.

The previous prime is 16231393. The next prime is 16231427. The reversal of 16231412 is 21413261.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 3083536 = 3626^2 + 1756^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028923 + ... + 2028930.

It is an arithmetic number, because the mean of its divisors is an integer number (4734163).

Almost surely, 2^16231412 is an apocalyptic number.

It is an amenable number.

16231412 is a deficient number, since it is larger than the sum of its proper divisors (12173566).

16231412 is a wasteful number, since it uses less digits than its factorization.

16231412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057857 (or 4057855 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 16231412 is about 4028.8226568068. The cubic root of 16231412 is about 253.1932366356.

Adding to 16231412 its reverse (21413261), we get a palindrome (37644673).

The spelling of 16231412 in words is "sixteen million, two hundred thirty-one thousand, four hundred twelve".