12954636 has 18 divisors (see below), whose sum is σ = 32746532. Its totient is φ = 4318200.

The previous prime is 12954611. The next prime is 12954673. The reversal of 12954636 is 63645921.

It is a happy number.

12954636 is a `hidden beast` number, since 12 + 9 + 5 + 4 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 359851 = 12954636 / (1 + 2 + 9 + 5 + 4 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 12954636.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179890 + ... + 179961.

Almost surely, 2^12954636 is an apocalyptic number.

It is an amenable number.

12954636 is an abundant number, since it is smaller than the sum of its proper divisors (19791896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12954636 is a wasteful number, since it uses less digits than its factorization.

12954636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359861 (or 359856 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 12954636 is about 3599.2549228972. The cubic root of 12954636 is about 234.8596475939.

The spelling of 12954636 in words is "twelve million, nine hundred fifty-four thousand, six hundred thirty-six".