12949655 has 4 divisors (see below), whose sum is σ = 15539592. Its totient is φ = 10359720.

The previous prime is 12949639. The next prime is 12949679. The reversal of 12949655 is 55694921.

12949655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55694921 = 79 ⋅704999.

It is not a de Polignac number, because 12949655 - 2⁴ = 12949639 is a prime.

It is a Duffinian number.

It is a congruent 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, 1294961 + ... + 1294970.

It is an arithmetic number, because the mean of its divisors is an integer number (3884898).

Almost surely, 2^12949655 is an apocalyptic number.

12949655 is a deficient number, since it is larger than the sum of its proper divisors (2589937).

12949655 is an equidigital number, since it uses as much as digits as its factorization.

12949655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589936.

The product of its digits is 97200, while the sum is 41.

The square root of 12949655 is about 3598.5629076063. The cubic root of 12949655 is about 234.8295429047.

The spelling of 12949655 in words is "twelve million, nine hundred forty-nine thousand, six hundred fifty-five".