13123435 has 16 divisors (see below), whose sum is σ = 17136000. Its totient is φ = 9590400.

The previous prime is 13123423. The next prime is 13123441. The reversal of 13123435 is 53432131.

It is not a de Polignac number, because 13123435 - 2⁷ = 13123307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5566 + ... + 7564.

It is an arithmetic number, because the mean of its divisors is an integer number (1071000).

Almost surely, 2^13123435 is an apocalyptic number.

13123435 is a deficient number, since it is larger than the sum of its proper divisors (4012565).

13123435 is a wasteful number, since it uses less digits than its factorization.

13123435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118.

The product of its digits is 1080, while the sum is 22.

The square root of 13123435 is about 3622.6281895883. The cubic root of 13123435 is about 235.8753231624.

Adding to 13123435 its reverse (53432131), we get a palindrome (66555566).

The spelling of 13123435 in words is "thirteen million, one hundred twenty-three thousand, four hundred thirty-five".