13457830 has 8 divisors (see below), whose sum is σ = 24224112. Its totient is φ = 5383128.

The previous prime is 13457767. The next prime is 13457831. The reversal of 13457830 is 3875431.

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

It is a super-2 number, since 2×13457830² = 362226376617800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13457792 and 13457801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13457831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672882 + ... + 672901.

It is an arithmetic number, because the mean of its divisors is an integer number (3028014).

Almost surely, 2^13457830 is an apocalyptic number.

13457830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13457830 is a deficient number, since it is larger than the sum of its proper divisors (10766282).

13457830 is a wasteful number, since it uses less digits than its factorization.

13457830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345790.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 13457830 is about 3668.4915155960. The cubic root of 13457830 is about 237.8619706673.

The spelling of 13457830 in words is "thirteen million, four hundred fifty-seven thousand, eight hundred thirty".