13124312 has 8 divisors (see below), whose sum is σ = 24608100. Its totient is φ = 6562152.

The previous prime is 13124311. The next prime is 13124339. The reversal of 13124312 is 21342131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820262 + ... + 820277.

Almost surely, 2^13124312 is an apocalyptic number.

It is an amenable number.

13124312 is a deficient number, since it is larger than the sum of its proper divisors (11483788).

13124312 is a wasteful number, since it uses less digits than its factorization.

13124312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640545 (or 1640541 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 13124312 is about 3622.7492322820. The cubic root of 13124312 is about 235.8805773267.

Adding to 13124312 its reverse (21342131), we get a palindrome (34466443).

The spelling of 13124312 in words is "thirteen million, one hundred twenty-four thousand, three hundred twelve".