12698961 has 8 divisors (see below), whose sum is σ = 18471264. Its totient is φ = 7696320.

The previous prime is 12698957. The next prime is 12698969. The reversal of 12698961 is 16989621.

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

It is not a de Polignac number, because 12698961 - 2² = 12698957 is a prime.

It is a super-2 number, since 2×12698961² = 322527220959042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12698969) 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, 192376 + ... + 192441.

It is an arithmetic number, because the mean of its divisors is an integer number (2308908).

Almost surely, 2^12698961 is an apocalyptic number.

12698961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12698961 is a deficient number, since it is larger than the sum of its proper divisors (5772303).

12698961 is a wasteful number, since it uses less digits than its factorization.

12698961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384831.

The product of its digits is 46656, while the sum is 42.

The square root of 12698961 is about 3563.5601580442. The cubic root of 12698961 is about 233.3042927577.

It can be divided in two parts, 1 and 2698961, that added together give a palindrome (2698962).

The spelling of 12698961 in words is "twelve million, six hundred ninety-eight thousand, nine hundred sixty-one".