13403472 has 40 divisors (see below), whose sum is σ = 35566176. Its totient is φ = 4346496.

The previous prime is 13403471. The next prime is 13403477. The reversal of 13403472 is 27430431.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998 + ... + 5549.

Almost surely, 2^13403472 is an apocalyptic number.

13403472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13403472 is an abundant number, since it is smaller than the sum of its proper divisors (22162704).

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

13403472 is a wasteful number, since it uses less digits than its factorization.

13403472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595 (or 7589 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13403472 is about 3661.0752518898. The cubic root of 13403472 is about 237.5412862666.

The spelling of 13403472 in words is "thirteen million, four hundred three thousand, four hundred seventy-two".