12868694 has 16 divisors (see below), whose sum is σ = 20875968. Its totient is φ = 5926272.

The previous prime is 12868657. The next prime is 12868697. The reversal of 12868694 is 49686821.

12868694 = T₂₇₂ + T₂₇₃ + ... + T₄₅₉.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12868697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429 + ... + 5624.

It is an arithmetic number, because the mean of its divisors is an integer number (1304748).

Almost surely, 2^12868694 is an apocalyptic number.

12868694 is a deficient number, since it is larger than the sum of its proper divisors (8007274).

12868694 is a wasteful number, since it uses less digits than its factorization.

12868694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119.

The product of its digits is 165888, while the sum is 44.

The square root of 12868694 is about 3587.2961963016. The cubic root of 12868694 is about 234.3391361776.

It can be divided in two parts, 128686 and 94, that multiplied together give a square (12096484 = 3478²).

The spelling of 12868694 in words is "twelve million, eight hundred sixty-eight thousand, six hundred ninety-four".