13750770 has 32 divisors (see below), whose sum is σ = 36002880. Its totient is φ = 3333440.

The previous prime is 13750769. The next prime is 13750787. The reversal of 13750770 is 7705731.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 20505 + ... + 21164.

It is an arithmetic number, because the mean of its divisors is an integer number (1125090).

Almost surely, 2^13750770 is an apocalyptic number.

13750770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13750770 is an abundant number, since it is smaller than the sum of its proper divisors (22252110).

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

13750770 is a wasteful number, since it uses less digits than its factorization.

13750770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41690.

The product of its (nonzero) digits is 5145, while the sum is 30.

The square root of 13750770 is about 3708.2030688731. The cubic root of 13750770 is about 239.5754647615.

The spelling of 13750770 in words is "thirteen million, seven hundred fifty thousand, seven hundred seventy".