12649357 has 8 divisors (see below), whose sum is σ = 14533632. Its totient is φ = 10784400.

The previous prime is 12649349. The next prime is 12649391. The reversal of 12649357 is 75394621.

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 12649357 - 2³ = 12649349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12649757) 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, 3394 + ... + 6067.

It is an arithmetic number, because the mean of its divisors is an integer number (1816704).

Almost surely, 2^12649357 is an apocalyptic number.

It is an amenable number.

12649357 is a deficient number, since it is larger than the sum of its proper divisors (1884275).

12649357 is an equidigital number, since it uses as much as digits as its factorization.

12649357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9659.

The product of its digits is 45360, while the sum is 37.

The square root of 12649357 is about 3556.5934544167. The cubic root of 12649357 is about 233.0001227995. Note that the first 3 decimals are identical.

The spelling of 12649357 in words is "twelve million, six hundred forty-nine thousand, three hundred fifty-seven".