13785153 has 4 divisors (see below), whose sum is σ = 18380208. Its totient is φ = 9190100.

The previous prime is 13785133. The next prime is 13785169. The reversal of 13785153 is 35158731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35158731 = 3 ⋅11719577.

It is a cyclic number.

It is not a de Polignac number, because 13785153 - 2¹⁸ = 13523009 is a prime.

It is a super-4 number, since 4×13785153⁴ (a number of 30 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (13785103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297523 + ... + 2297528.

It is an arithmetic number, because the mean of its divisors is an integer number (4595052).

Almost surely, 2^13785153 is an apocalyptic number.

It is an amenable number.

13785153 is a deficient number, since it is larger than the sum of its proper divisors (4595055).

13785153 is an equidigital number, since it uses as much as digits as its factorization.

13785153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595054.

The product of its digits is 12600, while the sum is 33.

The square root of 13785153 is about 3712.8362473990. The cubic root of 13785153 is about 239.7749800633.

The spelling of 13785153 in words is "thirteen million, seven hundred eighty-five thousand, one hundred fifty-three".