12497905 has 8 divisors (see below), whose sum is σ = 17140032. Its totient is φ = 8569968.

The previous prime is 12497893. The next prime is 12497909. The reversal of 12497905 is 50979421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12497905 - 2²³ = 4109297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12497909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178507 + ... + 178576.

It is an arithmetic number, because the mean of its divisors is an integer number (2142504).

Almost surely, 2^12497905 is an apocalyptic number.

It is an amenable number.

12497905 is a deficient number, since it is larger than the sum of its proper divisors (4642127).

12497905 is an equidigital number, since it uses as much as digits as its factorization.

12497905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357095.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 12497905 is about 3535.2376157763. The cubic root of 12497905 is about 232.0664754514.

The spelling of 12497905 in words is "twelve million, four hundred ninety-seven thousand, nine hundred five".