12495305 has 4 divisors (see below), whose sum is σ = 14994372. Its totient is φ = 9996240.

The previous prime is 12495281. The next prime is 12495311. The reversal of 12495305 is 50359421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 7038409 = 2336^2 + 2653^2 .

It is not a de Polignac number, because 12495305 - 2¹⁰ = 12494281 is a prime.

It is a super-2 number, since 2×12495305² = 312265294086050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249526 + ... + 1249535.

It is an arithmetic number, because the mean of its divisors is an integer number (3748593).

Almost surely, 2^12495305 is an apocalyptic number.

It is an amenable number.

12495305 is a deficient number, since it is larger than the sum of its proper divisors (2499067).

12495305 is an equidigital number, since it uses as much as digits as its factorization.

12495305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499066.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 12495305 is about 3534.8698703064. The cubic root of 12495305 is about 232.0503816959.

The spelling of 12495305 in words is "twelve million, four hundred ninety-five thousand, three hundred five".