13043432 has 8 divisors (see below), whose sum is σ = 24456450. Its totient is φ = 6521712.

The previous prime is 13043431. The next prime is 13043441. The reversal of 13043432 is 23434031.

It can be written as a sum of positive squares in only one way, i.e., 12208036 + 835396 = 3494^2 + 914^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13043432² = 340262236677248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13043431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815207 + ... + 815222.

Almost surely, 2^13043432 is an apocalyptic number.

It is an amenable number.

13043432 is a deficient number, since it is larger than the sum of its proper divisors (11413018).

13043432 is a wasteful number, since it uses less digits than its factorization.

13043432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630435 (or 1630431 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13043432 is about 3611.5691880400. The cubic root of 13043432 is about 235.3950319778.

Adding to 13043432 its reverse (23434031), we get a palindrome (36477463).

The spelling of 13043432 in words is "thirteen million, forty-three thousand, four hundred thirty-two".