13032312 has 32 divisors (see below), whose sum is σ = 32762880. Its totient is φ = 4319840.

The previous prime is 13032293. The next prime is 13032317. The reversal of 13032312 is 21323031.

It is a junction number, because it is equal to n+sod(n) for n = 13032291 and 13032300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3163 + ... + 6005.

It is an arithmetic number, because the mean of its divisors is an integer number (1023840).

Almost surely, 2^13032312 is an apocalyptic number.

13032312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13032312 is an abundant number, since it is smaller than the sum of its proper divisors (19730568).

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

13032312 is a wasteful number, since it uses less digits than its factorization.

13032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13032312 is about 3610.0293627615. The cubic root of 13032312 is about 235.3281186845.

Adding to 13032312 its reverse (21323031), we get a palindrome (34355343).

The spelling of 13032312 in words is "thirteen million, thirty-two thousand, three hundred twelve".