13273975 has 48 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 8611200.

The previous prime is 13273969. The next prime is 13273979. The reversal of 13273975 is 57937231.

13273975 = 17² + 18² + ... + 341².

It is not a de Polignac number, because 13273975 - 2⁵ = 13273943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13273979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167986 + ... + 168064.

It is an arithmetic number, because the mean of its divisors is an integer number (416640).

Almost surely, 2^13273975 is an apocalyptic number.

13273975 is a deficient number, since it is larger than the sum of its proper divisors (6724745).

13273975 is a wasteful number, since it uses less digits than its factorization.

13273975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 155 counting only the distinct ones).

The product of its digits is 39690, while the sum is 37.

The square root of 13273975 is about 3643.3466757914. The cubic root of 13273975 is about 236.7738113900.

The spelling of 13273975 in words is "thirteen million, two hundred seventy-three thousand, nine hundred seventy-five".