13965912 has 128 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 4250880.

The previous prime is 13965901. The next prime is 13965937. The reversal of 13965912 is 21956931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 168223 + ... + 168305.

It is an arithmetic number, because the mean of its divisors is an integer number (330750).

Almost surely, 2^13965912 is an apocalyptic number.

13965912 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 13965912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21168000).

13965912 is an abundant number, since it is smaller than the sum of its proper divisors (28370088).

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

13965912 is a wasteful number, since it uses less digits than its factorization.

13965912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 148 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 13965912 is about 3737.0994099703. The cubic root of 13965912 is about 240.8184557033.

The spelling of 13965912 in words is "thirteen million, nine hundred sixty-five thousand, nine hundred twelve".