13457750 has 16 divisors (see below), whose sum is σ = 25193376. Its totient is φ = 5383000.

The previous prime is 13457749. The next prime is 13457767. The reversal of 13457750 is 5775431.

It is a super-2 number, since 2×13457750² = 362222070125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26666 + ... + 27165.

It is an arithmetic number, because the mean of its divisors is an integer number (1574586).

Almost surely, 2^13457750 is an apocalyptic number.

13457750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13457750 is a deficient number, since it is larger than the sum of its proper divisors (11735626).

13457750 is an equidigital number, since it uses as much as digits as its factorization.

13457750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53848 (or 53838 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 13457750 is about 3668.4806119155. The cubic root of 13457750 is about 237.8614993433.

The spelling of 13457750 in words is "thirteen million, four hundred fifty-seven thousand, seven hundred fifty".