13426365 has 16 divisors (see below), whose sum is σ = 22416768. Its totient is φ = 6849216.

The previous prime is 13426339. The next prime is 13426373. The reversal of 13426365 is 56362431.

It is not a de Polignac number, because 13426365 - 2¹⁰ = 13425341 is a prime.

It is a super-2 number, since 2×13426365² = 360534554226450, which contains 22 as substring.

It is a congruent number.

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, 19114 + ... + 19803.

It is an arithmetic number, because the mean of its divisors is an integer number (1401048).

Almost surely, 2^13426365 is an apocalyptic number.

13426365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13426365 is a deficient number, since it is larger than the sum of its proper divisors (8990403).

13426365 is a wasteful number, since it uses less digits than its factorization.

13426365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38948.

The product of its digits is 12960, while the sum is 30.

The square root of 13426365 is about 3664.2004584902. The cubic root of 13426365 is about 237.6764487471.

Adding to 13426365 its reverse (56362431), we get a palindrome (69788796).

The spelling of 13426365 in words is "thirteen million, four hundred twenty-six thousand, three hundred sixty-five".