13729151 has 4 divisors (see below), whose sum is σ = 14202600. Its totient is φ = 13255704.

The previous prime is 13729147. The next prime is 13729207. The reversal of 13729151 is 15192731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13729151 - 2² = 13729147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 473419 = 13729151 / (1 + 3 + 7 + 2 + 9 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13729141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236681 + ... + 236738.

It is an arithmetic number, because the mean of its divisors is an integer number (3550650).

Almost surely, 2^13729151 is an apocalyptic number.

13729151 is a deficient number, since it is larger than the sum of its proper divisors (473449).

13729151 is an equidigital number, since it uses as much as digits as its factorization.

13729151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473448.

The product of its digits is 1890, while the sum is 29.

The square root of 13729151 is about 3705.2868984736. The cubic root of 13729151 is about 239.4498451613.

The spelling of 13729151 in words is "thirteen million, seven hundred twenty-nine thousand, one hundred fifty-one".