13161433 has 4 divisors (see below), whose sum is σ = 13854160. Its totient is φ = 12468708.

The previous prime is 13161431. The next prime is 13161487. The reversal of 13161433 is 33416131.

It is a happy number.

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 not a de Polignac number, because 13161433 - 2¹ = 13161431 is a prime.

It is a super-2 number, since 2×13161433² = 346446637226978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13161431) 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 3 ways as a sum of consecutive naturals, for example, 346335 + ... + 346372.

It is an arithmetic number, because the mean of its divisors is an integer number (3463540).

Almost surely, 2^13161433 is an apocalyptic number.

It is an amenable number.

13161433 is a deficient number, since it is larger than the sum of its proper divisors (692727).

13161433 is an equidigital number, since it uses as much as digits as its factorization.

13161433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692726.

The product of its digits is 648, while the sum is 22.

The square root of 13161433 is about 3627.8689336854. The cubic root of 13161433 is about 236.1027573679.

Adding to 13161433 its reverse (33416131), we get a palindrome (46577564).

The spelling of 13161433 in words is "thirteen million, one hundred sixty-one thousand, four hundred thirty-three".