13472729 has 8 divisors (see below), whose sum is σ = 14280000. Its totient is φ = 12675312.

The previous prime is 13472707. The next prime is 13472737. The reversal of 13472729 is 92727431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13472729 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (13472749) 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, 452 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (1785000).

Almost surely, 2^13472729 is an apocalyptic number.

13472729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13472729 is a deficient number, since it is larger than the sum of its proper divisors (807271).

13472729 is a wasteful number, since it uses less digits than its factorization.

13472729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927.

The product of its digits is 21168, while the sum is 35.

The square root of 13472729 is about 3670.5216250555. The cubic root of 13472729 is about 237.9497163266.

The spelling of 13472729 in words is "thirteen million, four hundred seventy-two thousand, seven hundred twenty-nine".