13765426 has 8 divisors (see below), whose sum is σ = 21314304. Its totient is φ = 6660660.

The previous prime is 13765421. The next prime is 13765447. The reversal of 13765426 is 62456731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13765426² = 378973905922952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13765391 and 13765400.

It is not an unprimeable number, because it can be changed into a prime (13765421) 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, 110950 + ... + 111073.

It is an arithmetic number, because the mean of its divisors is an integer number (2664288).

Almost surely, 2^13765426 is an apocalyptic number.

13765426 is a deficient number, since it is larger than the sum of its proper divisors (7548878).

13765426 is a wasteful number, since it uses less digits than its factorization.

13765426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222056.

The product of its digits is 30240, while the sum is 34.

The square root of 13765426 is about 3710.1787018956. The cubic root of 13765426 is about 239.6605502099.

The spelling of 13765426 in words is "thirteen million, seven hundred sixty-five thousand, four hundred twenty-six".