12190429 has 4 divisors (see below), whose sum is σ = 12203100. Its totient is φ = 12177760.

The previous prime is 12190421. The next prime is 12190441. The reversal of 12190429 is 92409121.

It is a happy number.

12190429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5890329 + 6300100 = 2427^2 + 2510^2 .

It is a cyclic number.

It is not a de Polignac number, because 12190429 - 2³ = 12190421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12190397 and 12190406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12190421) 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, 4762 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (3050775).

Almost surely, 2^12190429 is an apocalyptic number.

It is an amenable number.

12190429 is a deficient number, since it is larger than the sum of its proper divisors (12671).

12190429 is a wasteful number, since it uses less digits than its factorization.

12190429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12670.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 12190429 is about 3491.4794858340. The cubic root of 12190429 is about 230.1475360909.

The spelling of 12190429 in words is "twelve million, one hundred ninety thousand, four hundred twenty-nine".