13557107 has 4 divisors (see below), whose sum is σ = 13643616. Its totient is φ = 13470600.

The previous prime is 13557073. The next prime is 13557119. The reversal of 13557107 is 70175531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70175531 = 19 ⋅3693449.

It is not a de Polignac number, because 13557107 - 2¹⁶ = 13491571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13557107.

It is not an unprimeable number, because it can be changed into a prime (13557157) 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, 43019 + ... + 43332.

It is an arithmetic number, because the mean of its divisors is an integer number (3410904).

Almost surely, 2^13557107 is an apocalyptic number.

13557107 is a deficient number, since it is larger than the sum of its proper divisors (86509).

13557107 is an equidigital number, since it uses as much as digits as its factorization.

13557107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86508.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 13557107 is about 3681.9976914713. The cubic root of 13557107 is about 238.4454325657.

The spelling of 13557107 in words is "thirteen million, five hundred fifty-seven thousand, one hundred seven".