13421735 has 4 divisors (see below), whose sum is σ = 16106088. Its totient is φ = 10737384.

The previous prime is 13421731. The next prime is 13421747. The reversal of 13421735 is 53712431.

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 13421735 - 2² = 13421731 is a prime.

It is a Duffinian number.

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 (13421731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1342169 + ... + 1342178.

It is an arithmetic number, because the mean of its divisors is an integer number (4026522).

Almost surely, 2^13421735 is an apocalyptic number.

13421735 is a deficient number, since it is larger than the sum of its proper divisors (2684353).

13421735 is an equidigital number, since it uses as much as digits as its factorization.

13421735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684352.

The product of its digits is 2520, while the sum is 26.

The square root of 13421735 is about 3663.5686154350. The cubic root of 13421735 is about 237.6491251819.

The spelling of 13421735 in words is "thirteen million, four hundred twenty-one thousand, seven hundred thirty-five".