13161407 has 4 divisors (see below), whose sum is σ = 15041616. Its totient is φ = 11281200.

The previous prime is 13161403. The next prime is 13161419. The reversal of 13161407 is 70416131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13161407 - 2² = 13161403 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 (13161403) 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, 940094 + ... + 940107.

It is an arithmetic number, because the mean of its divisors is an integer number (3760404).

Almost surely, 2^13161407 is an apocalyptic number.

13161407 is a deficient number, since it is larger than the sum of its proper divisors (1880209).

13161407 is an equidigital number, since it uses as much as digits as its factorization.

13161407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880208.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 13161407 is about 3627.8653503128. The cubic root of 13161407 is about 236.1026018966.

Adding to 13161407 its reverse (70416131), we get a palindrome (83577538).

The spelling of 13161407 in words is "thirteen million, one hundred sixty-one thousand, four hundred seven".