13146312 has 16 divisors (see below), whose sum is σ = 32865840. Its totient is φ = 4382096.

The previous prime is 13146283. The next prime is 13146319. The reversal of 13146312 is 21364131.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13146319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273858 + ... + 273905.

It is an arithmetic number, because the mean of its divisors is an integer number (2054115).

Almost surely, 2^13146312 is an apocalyptic number.

13146312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13146312 is an abundant number, since it is smaller than the sum of its proper divisors (19719528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13146312 is a wasteful number, since it uses less digits than its factorization.

13146312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547772 (or 547768 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 13146312 is about 3625.7843289418. The cubic root of 13146312 is about 236.0123042517.

It can be divided in two parts, 1314631 and 2, that multiplied together give a palindrome (2629262).

The spelling of 13146312 in words is "thirteen million, one hundred forty-six thousand, three hundred twelve".