13719612 has 48 divisors (see below), whose sum is σ = 34261920. Its totient is φ = 4257792.

The previous prime is 13719611. The next prime is 13719613. The reversal of 13719612 is 21691731.

It is an interprime number because it is at equal distance from previous prime (13719611) and next prime (13719613).

It is a self number, because there is not a number n which added to its sum of digits gives 13719612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13719611) 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 15 ways as a sum of consecutive naturals, for example, 21928 + ... + 22544.

It is an arithmetic number, because the mean of its divisors is an integer number (713790).

Almost surely, 2^13719612 is an apocalyptic number.

13719612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13719612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17130960).

13719612 is an abundant number, since it is smaller than the sum of its proper divisors (20542308).

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

13719612 is a wasteful number, since it uses less digits than its factorization.

13719612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 748 counting only the distinct ones).

The product of its digits is 2268, while the sum is 30.

The square root of 13719612 is about 3703.9994600432. Note that the first 3 decimals coincide. The cubic root of 13719612 is about 239.3943758105.

The spelling of 13719612 in words is "thirteen million, seven hundred nineteen thousand, six hundred twelve".