13429850 has 24 divisors (see below), whose sum is σ = 28548768. Its totient is φ = 4604400.

The previous prime is 13429849. The next prime is 13429909. The reversal of 13429850 is 5892431.

13429850 = T₃₀₁ + T₃₀₂ + ... + T₄₇₅.

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 11 ways as a sum of consecutive naturals, for example, 18836 + ... + 19535.

It is an arithmetic number, because the mean of its divisors is an integer number (1189532).

Almost surely, 2^13429850 is an apocalyptic number.

13429850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13429850 is an abundant number, since it is smaller than the sum of its proper divisors (15118918).

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

13429850 is a wasteful number, since it uses less digits than its factorization.

13429850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38390 (or 38385 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 13429850 is about 3664.6759747623. The cubic root of 13429850 is about 237.6970110454.

The spelling of 13429850 in words is "thirteen million, four hundred twenty-nine thousand, eight hundred fifty".