12949899 has 8 divisors (see below), whose sum is σ = 17319120. Its totient is φ = 8606976.

The previous prime is 12949883. The next prime is 12949919. The reversal of 12949899 is 99894921.

It is a happy number.

12949899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12949899 - 2⁴ = 12949883 is a prime.

It is a super-2 number, since 2×12949899² = 335399768220402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12949829) 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, 5394 + ... + 7415.

It is an arithmetic number, because the mean of its divisors is an integer number (2164890).

Almost surely, 2^12949899 is an apocalyptic number.

12949899 is a deficient number, since it is larger than the sum of its proper divisors (4369221).

12949899 is a wasteful number, since it uses less digits than its factorization.

12949899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149.

The product of its digits is 419904, while the sum is 51.

The square root of 12949899 is about 3598.5968098691. The cubic root of 12949899 is about 234.8310177973.

The spelling of 12949899 in words is "twelve million, nine hundred forty-nine thousand, eight hundred ninety-nine".