13801775 has 12 divisors (see below), whose sum is σ = 18431112. Its totient is φ = 10191840.

The previous prime is 13801763. The next prime is 13801787. The reversal of 13801775 is 57710831.

It is an interprime number because it is at equal distance from previous prime (13801763) and next prime (13801787).

It is not a de Polignac number, because 13801775 - 2¹⁴ = 13785391 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20909 + ... + 21558.

It is an arithmetic number, because the mean of its divisors is an integer number (1535926).

Almost surely, 2^13801775 is an apocalyptic number.

13801775 is a deficient number, since it is larger than the sum of its proper divisors (4629337).

13801775 is a wasteful number, since it uses less digits than its factorization.

13801775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42490 (or 42485 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 13801775 is about 3715.0740234886. The cubic root of 13801775 is about 239.8713141139.

The spelling of 13801775 in words is "thirteen million, eight hundred one thousand, seven hundred seventy-five".