13545879 has 16 divisors (see below), whose sum is σ = 19198080. Its totient is φ = 8471520.

The previous prime is 13545799. The next prime is 13545907. The reversal of 13545879 is 97854531.

It is not a de Polignac number, because 13545879 - 2¹³ = 13537687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13545879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4989 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (1199880).

Almost surely, 2^13545879 is an apocalyptic number.

13545879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13545879 is a deficient number, since it is larger than the sum of its proper divisors (5652201).

13545879 is a wasteful number, since it uses less digits than its factorization.

13545879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350.

The product of its digits is 151200, while the sum is 42.

The square root of 13545879 is about 3680.4726598631. The cubic root of 13545879 is about 238.3795875257.

The spelling of 13545879 in words is "thirteen million, five hundred forty-five thousand, eight hundred seventy-nine".