13825434 has 16 divisors (see below), whose sum is σ = 31601088. Its totient is φ = 3950112.

The previous prime is 13825391. The next prime is 13825453. The reversal of 13825434 is 43452831.

It is a super-2 number, since 2×13825434² = 382285250576712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164547 + ... + 164630.

It is an arithmetic number, because the mean of its divisors is an integer number (1975068).

Almost surely, 2^13825434 is an apocalyptic number.

13825434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13825434 is an abundant number, since it is smaller than the sum of its proper divisors (17775654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13825434 is a wasteful number, since it uses less digits than its factorization.

13825434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329189.

The product of its digits is 11520, while the sum is 30.

The square root of 13825434 is about 3718.2568496541. The cubic root of 13825434 is about 240.0082983242.

The spelling of 13825434 in words is "thirteen million, eight hundred twenty-five thousand, four hundred thirty-four".