13540851 has 20 divisors (see below), whose sum is σ = 20328000. Its totient is φ = 8982576.

The previous prime is 13540817. The next prime is 13540871. The reversal of 13540851 is 15804531.

13540851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13540851 - 2¹⁷ = 13409779 is a prime.

It is a super-3 number, since 3×13540851³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540801) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28030 + ... + 28508.

It is an arithmetic number, because the mean of its divisors is an integer number (1016400).

Almost surely, 2^13540851 is an apocalyptic number.

13540851 is a deficient number, since it is larger than the sum of its proper divisors (6787149).

13540851 is an equidigital number, since it uses as much as digits as its factorization.

13540851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 13540851 is about 3679.7895320249. The cubic root of 13540851 is about 238.3500897255.

The spelling of 13540851 in words is "thirteen million, five hundred forty thousand, eight hundred fifty-one".