12949429 has 2 divisors, whose sum is σ = 12949430. Its totient is φ = 12949428.

The previous prime is 12949373. The next prime is 12949439. The reversal of 12949429 is 92494921.

12949429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10093329 + 2856100 = 3177^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 12949429 - 2¹¹ = 12947381 is a prime.

It is a super-2 number, since 2×12949429² = 335375422852082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12949391 and 12949400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12949439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6474714 + 6474715.

It is an arithmetic number, because the mean of its divisors is an integer number (6474715).

Almost surely, 2^12949429 is an apocalyptic number.

It is an amenable number.

12949429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12949429 is an equidigital number, since it uses as much as digits as its factorization.

12949429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 12949429 is about 3598.5315060452. The cubic root of 12949429 is about 234.8281767992.

The spelling of 12949429 in words is "twelve million, nine hundred forty-nine thousand, four hundred twenty-nine".