14640656 has 10 divisors (see below), whose sum is σ = 28366302. Its totient is φ = 7320320.

The previous prime is 14640653. The next prime is 14640677. The reversal of 14640656 is 65604641.

14640656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12845056 + 1795600 = 3584^2 + 1340^2 .

It is a super-2 number, since 2×14640656² = 428697616220672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14640653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457505 + ... + 457536.

Almost surely, 2^14640656 is an apocalyptic number.

14640656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14640656 is a deficient number, since it is larger than the sum of its proper divisors (13725646).

14640656 is an equidigital number, since it uses as much as digits as its factorization.

14640656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915049 (or 915043 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 14640656 is about 3826.3110171548. The cubic root of 14640656 is about 244.6358939718.

The spelling of 14640656 in words is "fourteen million, six hundred forty thousand, six hundred fifty-six".