13969872 has 60 divisors (see below), whose sum is σ = 44684640. Its totient is φ = 3991104.

The previous prime is 13969867. The next prime is 13969877. The reversal of 13969872 is 27896931.

It is an interprime number because it is at equal distance from previous prime (13969867) and next prime (13969877).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13969877) 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 11 ways as a sum of consecutive naturals, for example, 5922 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (744744).

Almost surely, 2^13969872 is an apocalyptic number.

13969872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13969872 is an abundant number, since it is smaller than the sum of its proper divisors (30714768).

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

13969872 is a wasteful number, since it uses less digits than its factorization.

13969872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880 (or 13871 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 13969872 is about 3737.6291950915. The cubic root of 13969872 is about 240.8412147126.

It can be divided in two parts, 13969 and 872, that added together give a palindrome (14841).

The spelling of 13969872 in words is "thirteen million, nine hundred sixty-nine thousand, eight hundred seventy-two".