13426131 has 12 divisors (see below), whose sum is σ = 18501576. Its totient is φ = 8660160.

The previous prime is 13426121. The next prime is 13426187. The reversal of 13426131 is 13162431.

It is not a de Polignac number, because 13426131 - 2¹⁰ = 13425107 is a prime.

It is a super-2 number, since 2×13426131² = 360521987258322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13426098 and 13426107.

It is not an unprimeable number, because it can be changed into a prime (13426121) 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, 555 + ... + 5211.

It is an arithmetic number, because the mean of its divisors is an integer number (1541798).

Almost surely, 2^13426131 is an apocalyptic number.

13426131 is a deficient number, since it is larger than the sum of its proper divisors (5075445).

13426131 is an equidigital number, since it uses as much as digits as its factorization.

13426131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722 (or 4691 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 13426131 is about 3664.1685277836. The cubic root of 13426131 is about 237.6750679660.

Adding to 13426131 its reverse (13162431), we get a palindrome (26588562).

The spelling of 13426131 in words is "thirteen million, four hundred twenty-six thousand, one hundred thirty-one".