13902105 has 32 divisors (see below), whose sum is σ = 26247168. Its totient is φ = 6148800.

The previous prime is 13902103. The next prime is 13902127. The reversal of 13902105 is 50120931.

It is not a de Polignac number, because 13902105 - 2¹ = 13902103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13902101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (820224).

Almost surely, 2^13902105 is an apocalyptic number.

13902105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13902105 is a deficient number, since it is larger than the sum of its proper divisors (12345063).

13902105 is a wasteful number, since it uses less digits than its factorization.

13902105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 13902105 is about 3728.5526682615. The cubic root of 13902105 is about 240.4511479361.

The spelling of 13902105 in words is "thirteen million, nine hundred two thousand, one hundred five".