13975770 has 32 divisors (see below), whose sum is σ = 33724800. Its totient is φ = 3706560.

The previous prime is 13975769. The next prime is 13975799. The reversal of 13975770 is 7757931.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 4800 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (1053900).

Almost surely, 2^13975770 is an apocalyptic number.

13975770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13975770 is an abundant number, since it is smaller than the sum of its proper divisors (19749030).

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

13975770 is a wasteful number, since it uses less digits than its factorization.

13975770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550.

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 13975770 is about 3738.4181146576. The cubic root of 13975770 is about 240.8751038713.

The spelling of 13975770 in words is "thirteen million, nine hundred seventy-five thousand, seven hundred seventy".