13785070 has 32 divisors (see below), whose sum is σ = 28133280. Its totient is φ = 4821120.

The previous prime is 13785041. The next prime is 13785091. The reversal of 13785070 is 7058731.

It is a super-4 number, since 4×13785070⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (879165).

Almost surely, 2^13785070 is an apocalyptic number.

13785070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13785070 is an abundant number, since it is smaller than the sum of its proper divisors (14348210).

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

13785070 is a wasteful number, since it uses less digits than its factorization.

13785070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 13785070 is about 3712.8250699434. The cubic root of 13785070 is about 239.7744988363.

The spelling of 13785070 in words is "thirteen million, seven hundred eighty-five thousand, seventy".