13455810 has 48 divisors (see below), whose sum is σ = 35171136. Its totient is φ = 3569184.

The previous prime is 13455787. The next prime is 13455853. The reversal of 13455810 is 1855431.

13455810 = T₁₂₉ + T₁₃₀ + ... + T₄₃₅.

It is a super-2 number, since 2×13455810² = 362117645512200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27387 + ... + 27873.

It is an arithmetic number, because the mean of its divisors is an integer number (732732).

Almost surely, 2^13455810 is an apocalyptic number.

13455810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13455810 is an abundant number, since it is smaller than the sum of its proper divisors (21715326).

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

13455810 is a wasteful number, since it uses less digits than its factorization.

13455810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 13455810 is about 3668.2161877403. The cubic root of 13455810 is about 237.8500691640.

The spelling of 13455810 in words is "thirteen million, four hundred fifty-five thousand, eight hundred ten".