13975481 has 8 divisors (see below), whose sum is σ = 15108744. Its totient is φ = 12850560.

The previous prime is 13975441. The next prime is 13975483. The reversal of 13975481 is 18457931.

It can be written as a sum of positive squares in 4 ways, for example, as 99856 + 13875625 = 316^2 + 3725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13975481 - 2⁶ = 13975417 is a prime.

It is a super-2 number, since 2×13975481² = 390628138362722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13975483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (1888593).

Almost surely, 2^13975481 is an apocalyptic number.

It is an amenable number.

13975481 is a deficient number, since it is larger than the sum of its proper divisors (1133263).

13975481 is a wasteful number, since it uses less digits than its factorization.

13975481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171.

The product of its digits is 30240, while the sum is 38.

The square root of 13975481 is about 3738.3794617454. The cubic root of 13975481 is about 240.8734435362.

The spelling of 13975481 in words is "thirteen million, nine hundred seventy-five thousand, four hundred eighty-one".