13857275 has 12 divisors (see below), whose sum is σ = 17441592. Its totient is φ = 10919040.

The previous prime is 13857269. The next prime is 13857281. The reversal of 13857275 is 57275831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13857269) and next prime (13857281).

It is not a de Polignac number, because 13857275 - 2¹⁰ = 13856251 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2462 + ... + 5811.

It is an arithmetic number, because the mean of its divisors is an integer number (1453466).

Almost surely, 2^13857275 is an apocalyptic number.

13857275 is a deficient number, since it is larger than the sum of its proper divisors (3584317).

13857275 is an equidigital number, since it uses as much as digits as its factorization.

13857275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350 (or 8345 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 13857275 is about 3722.5360978774. The cubic root of 13857275 is about 240.1924093605.

The spelling of 13857275 in words is "thirteen million, eight hundred fifty-seven thousand, two hundred seventy-five".