13394429 has 4 divisors (see below), whose sum is σ = 13524576. Its totient is φ = 13264284.

The previous prime is 13394417. The next prime is 13394431. The reversal of 13394429 is 92449331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13394429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13394729) 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, 64919 + ... + 65124.

It is an arithmetic number, because the mean of its divisors is an integer number (3381144).

Almost surely, 2^13394429 is an apocalyptic number.

It is an amenable number.

13394429 is a deficient number, since it is larger than the sum of its proper divisors (130147).

13394429 is a wasteful number, since it uses less digits than its factorization.

13394429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130146.

The product of its digits is 23328, while the sum is 35.

The square root of 13394429 is about 3659.8400238262. The cubic root of 13394429 is about 237.4878531184.

The spelling of 13394429 in words is "thirteen million, three hundred ninety-four thousand, four hundred twenty-nine".