13969472 has 28 divisors (see below), whose sum is σ = 30242256. Its totient is φ = 6349440.

The previous prime is 13969469. The next prime is 13969493. The reversal of 13969472 is 27496931.

It is a super-2 number, since 2×13969472² = 390292295917568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9218 + ... + 10625.

Almost surely, 2^13969472 is an apocalyptic number.

It is an amenable number.

13969472 is an abundant number, since it is smaller than the sum of its proper divisors (16272784).

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

13969472 is a wasteful number, since it uses less digits than its factorization.

13969472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19866 (or 19856 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 13969472 is about 3737.5756848524. The cubic root of 13969472 is about 240.8389160181.

It can be divided in two parts, 13969 and 472, that added together give a palindrome (14441).

The spelling of 13969472 in words is "thirteen million, nine hundred sixty-nine thousand, four hundred seventy-two".