12698888 has 8 divisors (see below), whose sum is σ = 23810430. Its totient is φ = 6349440.

The previous prime is 12698887. The next prime is 12698909. The reversal of 12698888 is 88889621.

It can be written as a sum of positive squares in only one way, i.e., 12124324 + 574564 = 3482^2 + 758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12698888² = 322523512873088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12698887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 793673 + ... + 793688.

Almost surely, 2^12698888 is an apocalyptic number.

It is an amenable number.

12698888 is a deficient number, since it is larger than the sum of its proper divisors (11111542).

12698888 is a wasteful number, since it uses less digits than its factorization.

12698888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587367 (or 1587363 counting only the distinct ones).

The product of its digits is 442368, while the sum is 50.

The square root of 12698888 is about 3563.5499154635. The cubic root of 12698888 is about 233.3038457067.

The spelling of 12698888 in words is "twelve million, six hundred ninety-eight thousand, eight hundred eighty-eight".