13432394 has 16 divisors (see below), whose sum is σ = 21058920. Its totient is φ = 6417600.

The previous prime is 13432387. The next prime is 13432399. The reversal of 13432394 is 49323431.

It can be written as a sum of positive squares in 4 ways, for example, as 12924025 + 508369 = 3595^2 + 713^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (13432399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4712 + ... + 7004.

Almost surely, 2^13432394 is an apocalyptic number.

13432394 is a deficient number, since it is larger than the sum of its proper divisors (7626526).

13432394 is a wasteful number, since it uses less digits than its factorization.

13432394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its digits is 7776, while the sum is 29.

The square root of 13432394 is about 3665.0230558620. The cubic root of 13432394 is about 237.7120189821.

The spelling of 13432394 in words is "thirteen million, four hundred thirty-two thousand, three hundred ninety-four".