12916955 has 4 divisors (see below), whose sum is σ = 15500352. Its totient is φ = 10333560.

The previous prime is 12916951. The next prime is 12916973. The reversal of 12916955 is 55961921.

12916955 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: 55961921 = 23 ⋅2433127.

It is not a de Polignac number, because 12916955 - 2² = 12916951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12916951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291691 + ... + 1291700.

It is an arithmetic number, because the mean of its divisors is an integer number (3875088).

Almost surely, 2^12916955 is an apocalyptic number.

12916955 is a deficient number, since it is larger than the sum of its proper divisors (2583397).

12916955 is an equidigital number, since it uses as much as digits as its factorization.

12916955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583396.

The product of its digits is 24300, while the sum is 38.

The square root of 12916955 is about 3594.0165553319. The cubic root of 12916955 is about 234.6317152753.

The spelling of 12916955 in words is "twelve million, nine hundred sixteen thousand, nine hundred fifty-five".