12635745 has 8 divisors (see below), whose sum is σ = 20217216. Its totient is φ = 6739056.

The previous prime is 12635729. The next prime is 12635761. The reversal of 12635745 is 54753621.

It is an interprime number because it is at equal distance from previous prime (12635729) and next prime (12635761).

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

It is not a de Polignac number, because 12635745 - 2⁴ = 12635729 is a prime.

It is a super-3 number, since 3×12635745³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421177 + ... + 421206.

It is an arithmetic number, because the mean of its divisors is an integer number (2527152).

Almost surely, 2^12635745 is an apocalyptic number.

12635745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12635745 is a deficient number, since it is larger than the sum of its proper divisors (7581471).

12635745 is an equidigital number, since it uses as much as digits as its factorization.

12635745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842391.

The product of its digits is 25200, while the sum is 33.

The square root of 12635745 is about 3554.6793104301. The cubic root of 12635745 is about 232.9165154929.

The spelling of 12635745 in words is "twelve million, six hundred thirty-five thousand, seven hundred forty-five".