13701481 has 4 divisors (see below), whose sum is σ = 13710292. Its totient is φ = 13692672.

The previous prime is 13701463. The next prime is 13701497. The reversal of 13701481 is 18410731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6330256 + 7371225 = 2516^2 + 2715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13701481 is a prime.

It is a super-2 number, since 2×13701481² = 375461163186722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13701431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380 + ... + 5413.

It is an arithmetic number, because the mean of its divisors is an integer number (3427573).

Almost surely, 2^13701481 is an apocalyptic number.

It is an amenable number.

13701481 is a deficient number, since it is larger than the sum of its proper divisors (8811).

13701481 is an equidigital number, since it uses as much as digits as its factorization.

With its predecessor (13701480) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (8810).

13701481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 13701481 is about 3701.5511613376. The cubic root of 13701481 is about 239.2888730003.

The spelling of 13701481 in words is "thirteen million, seven hundred one thousand, four hundred eighty-one".