13642433 has 12 divisors (see below), whose sum is σ = 15991920. Its totient is φ = 11603592.

The previous prime is 13642429. The next prime is 13642439. The reversal of 13642433 is 33424631.

It is a happy number.

It is not a de Polignac number, because 13642433 - 2² = 13642429 is a prime.

It is a super-2 number, since 2×13642433² = 372231956318978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13642439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5810 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (1332660).

Almost surely, 2^13642433 is an apocalyptic number.

It is an amenable number.

13642433 is a deficient number, since it is larger than the sum of its proper divisors (2349487).

13642433 is a wasteful number, since it uses less digits than its factorization.

13642433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156 (or 2149 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 13642433 is about 3693.5664336790. The cubic root of 13642433 is about 238.9446309999.

The spelling of 13642433 in words is "thirteen million, six hundred forty-two thousand, four hundred thirty-three".