12699706 has 8 divisors (see below), whose sum is σ = 19492704. Its totient is φ = 6202140.

The previous prime is 12699689. The next prime is 12699707. The reversal of 12699706 is 60799621.

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

It is a super-2 number, since 2×12699706² = 322565064972872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12699707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73750 + ... + 73921.

It is an arithmetic number, because the mean of its divisors is an integer number (2436588).

Almost surely, 2^12699706 is an apocalyptic number.

12699706 is a deficient number, since it is larger than the sum of its proper divisors (6792998).

12699706 is a wasteful number, since it uses less digits than its factorization.

12699706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147716.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 12699706 is about 3563.6646868077. The cubic root of 12699706 is about 233.3088550285.

The spelling of 12699706 in words is "twelve million, six hundred ninety-nine thousand, seven hundred six".