13499472 has 40 divisors (see below), whose sum is σ = 39856576. Its totient is φ = 3856896.

The previous prime is 13499461. The next prime is 13499491. The reversal of 13499472 is 27499431.

It is a self number, because there is not a number n which added to its sum of digits gives 13499472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19753 + ... + 20424.

Almost surely, 2^13499472 is an apocalyptic number.

13499472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13499472 is an abundant number, since it is smaller than the sum of its proper divisors (26357104).

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

13499472 is a wasteful number, since it uses less digits than its factorization.

13499472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40195 (or 40189 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 13499472 is about 3674.1627617731. The cubic root of 13499472 is about 238.1070535038.

The spelling of 13499472 in words is "thirteen million, four hundred ninety-nine thousand, four hundred seventy-two".