13842705 has 16 divisors (see below), whose sum is σ = 22196160. Its totient is φ = 7366848.

The previous prime is 13842701. The next prime is 13842713. The reversal of 13842705 is 50724831.

It is not a de Polignac number, because 13842705 - 2² = 13842701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13842701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10366 + ... + 11624.

It is an arithmetic number, because the mean of its divisors is an integer number (1387260).

Almost surely, 2^13842705 is an apocalyptic number.

13842705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13842705 is a deficient number, since it is larger than the sum of its proper divisors (8353455).

13842705 is a wasteful number, since it uses less digits than its factorization.

13842705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13842705 is about 3720.5785840377. The cubic root of 13842705 is about 240.1081977423.

The spelling of 13842705 in words is "thirteen million, eight hundred forty-two thousand, seven hundred five".