13975020 has 72 divisors (see below), whose sum is σ = 44894304. Its totient is φ = 3506688.

The previous prime is 13975019. The next prime is 13975033. The reversal of 13975020 is 2057931.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777 + ... + 5343.

It is an arithmetic number, because the mean of its divisors is an integer number (623532).

Almost surely, 2^13975020 is an apocalyptic number.

13975020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13975020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22447152).

13975020 is an abundant number, since it is smaller than the sum of its proper divisors (30919284).

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

13975020 is a wasteful number, since it uses less digits than its factorization.

13975020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599 (or 4594 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 13975020 is about 3738.3178035047. The cubic root of 13975020 is about 240.8707949957.

The spelling of 13975020 in words is "thirteen million, nine hundred seventy-five thousand, twenty".