13801312 has 24 divisors (see below), whose sum is σ = 31053456. Its totient is φ = 5914752.

The previous prime is 13801309. The next prime is 13801313. The reversal of 13801312 is 21310831.

It is a self number, because there is not a number n which added to its sum of digits gives 13801312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13801313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30583 + ... + 31030.

It is an arithmetic number, because the mean of its divisors is an integer number (1293894).

Almost surely, 2^13801312 is an apocalyptic number.

It is an amenable number.

13801312 is an abundant number, since it is smaller than the sum of its proper divisors (17252144).

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

13801312 is an equidigital number, since it uses as much as digits as its factorization.

13801312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61630 (or 61622 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 13801312 is about 3715.0117092682. The cubic root of 13801312 is about 239.8686318102.

The spelling of 13801312 in words is "thirteen million, eight hundred one thousand, three hundred twelve".