12699124 has 6 divisors (see below), whose sum is σ = 22223474. Its totient is φ = 6349560.

The previous prime is 12699107. The next prime is 12699133. The reversal of 12699124 is 42199621.

12699124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11009124 + 1690000 = 3318^2 + 1300^2 .

It is a super-2 number, since 2×12699124² = 322535500734752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12699124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1587387 + ... + 1587394.

Almost surely, 2^12699124 is an apocalyptic number.

It is an amenable number.

12699124 is a deficient number, since it is larger than the sum of its proper divisors (9524350).

12699124 is a wasteful number, since it uses less digits than its factorization.

12699124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174785 (or 3174783 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 12699124 is about 3563.5830283578. The cubic root of 12699124 is about 233.3052909610.

The spelling of 12699124 in words is "twelve million, six hundred ninety-nine thousand, one hundred twenty-four".