13142275 has 24 divisors (see below), whose sum is σ = 17476560. Its totient is φ = 9802880.

The previous prime is 13142231. The next prime is 13142279. The reversal of 13142275 is 57224131.

It is a happy number.

It is not a de Polignac number, because 13142275 - 2⁷ = 13142147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

13142275 is a Rhonda number in base 10.

Its product of digits (1680) is a multiple of the sum of its prime factors (168).

It is not an unprimeable number, because it can be changed into a prime (13142279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122772 + ... + 122878.

It is an arithmetic number, because the mean of its divisors is an integer number (728190).

Almost surely, 2^13142275 is an apocalyptic number.

13142275 is a deficient number, since it is larger than the sum of its proper divisors (4334285).

13142275 is an equidigital number, since it uses as much as digits as its factorization.

13142275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 129 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 13142275 is about 3625.2275790631. The cubic root of 13142275 is about 235.9881433764.

The spelling of 13142275 in words is "thirteen million, one hundred forty-two thousand, two hundred seventy-five".