12896949 has 16 divisors (see below), whose sum is σ = 18591552. Its totient is φ = 7905408.

The previous prime is 12896927. The next prime is 12896957. The reversal of 12896949 is 94969821.

12896949 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12896949 - 2¹⁷ = 12765877 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12896898 and 12896907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12896969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13057 + ... + 14009.

It is an arithmetic number, because the mean of its divisors is an integer number (1161972).

Almost surely, 2^12896949 is an apocalyptic number.

It is an amenable number.

12896949 is a deficient number, since it is larger than the sum of its proper divisors (5694603).

12896949 is a wasteful number, since it uses less digits than its factorization.

12896949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316.

The product of its digits is 279936, while the sum is 48.

The square root of 12896949 is about 3591.2322397751. The cubic root of 12896949 is about 234.5105188172.

The spelling of 12896949 in words is "twelve million, eight hundred ninety-six thousand, nine hundred forty-nine".