13758434 has 8 divisors (see below), whose sum is σ = 20703708. Its totient is φ = 6857200.

The previous prime is 13758427. The next prime is 13758473. The reversal of 13758434 is 43485731.

It can be written as a sum of positive squares in 2 ways, for example, as 13712209 + 46225 = 3703^2 + 215^2 .

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

It is a super-2 number, since 2×13758434² = 378589012264712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13758394 and 13758403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10217 + ... + 11484.

Almost surely, 2^13758434 is an apocalyptic number.

13758434 is a deficient number, since it is larger than the sum of its proper divisors (6945274).

13758434 is a wasteful number, since it uses less digits than its factorization.

13758434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22020.

The product of its digits is 40320, while the sum is 35.

The square root of 13758434 is about 3709.2363095387. The cubic root of 13758434 is about 239.6199656719.

The spelling of 13758434 in words is "thirteen million, seven hundred fifty-eight thousand, four hundred thirty-four".